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Finding the Fourth Proportional to 1,999.68, 2,744.88 and 1,773.69

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Solution

The fourth proportional to 1,999.68, 2,744.88 and 1,773.69 is: 2,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999.68 : 2,744.88 = 1,773.69 : x
  2. Step 2: Convert to fraction form
    1,999.68/2,744.88 = 1,773.69/x
  3. Step 3: Cross multiply
    1,999.68x = 2,744.88 × 1,773.69
  4. Step 4: Simplify right side
    1,999.68x = 4,868,566.21
  5. Step 5: Solve for x
    x = 4,868,566.21/1,999.68
  6. Step 6: Final answer
    x = 2,434.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.