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Finding the Fourth Proportional to 3,755.68, 5,633.36 and 1,447.04

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Solution

The fourth proportional to 3,755.68, 5,633.36 and 1,447.04 is: 2,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.68 : 5,633.36 = 1,447.04 : x
  2. Step 2: Convert to fraction form
    3,755.68/5,633.36 = 1,447.04/x
  3. Step 3: Cross multiply
    3,755.68x = 5,633.36 × 1,447.04
  4. Step 4: Simplify right side
    3,755.68x = 8,151,697.25
  5. Step 5: Solve for x
    x = 8,151,697.25/3,755.68
  6. Step 6: Final answer
    x = 2,170.50

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Half scale
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Double scale
Find fourth proportional to 3,756.68, 5,634.86 and 1,448.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.