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Finding the Fourth Proportional to 3,677.22, 5,515.22 and 1,079.54

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Solution

The fourth proportional to 3,677.22, 5,515.22 and 1,079.54 is: 1,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.22 : 5,515.22 = 1,079.54 : x
  2. Step 2: Convert to fraction form
    3,677.22/5,515.22 = 1,079.54/x
  3. Step 3: Cross multiply
    3,677.22x = 5,515.22 × 1,079.54
  4. Step 4: Simplify right side
    3,677.22x = 5,953,900.60
  5. Step 5: Solve for x
    x = 5,953,900.60/3,677.22
  6. Step 6: Final answer
    x = 1,619.13

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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.