Home / 3,639.24-5,459.26-1,042.60

Finding the Fourth Proportional to 3,639.24, 5,459.26 and 1,042.60

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Solution

The fourth proportional to 3,639.24, 5,459.26 and 1,042.60 is: 1,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.24 : 5,459.26 = 1,042.60 : x
  2. Step 2: Convert to fraction form
    3,639.24/5,459.26 = 1,042.60/x
  3. Step 3: Cross multiply
    3,639.24x = 5,459.26 × 1,042.60
  4. Step 4: Simplify right side
    3,639.24x = 5,691,824.48
  5. Step 5: Solve for x
    x = 5,691,824.48/3,639.24
  6. Step 6: Final answer
    x = 1,564.01

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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.