Home / 3,639.64-5,459.46-1,042.42

Finding the Fourth Proportional to 3,639.64, 5,459.46 and 1,042.42

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Solution

The fourth proportional to 3,639.64, 5,459.46 and 1,042.42 is: 1,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.64 : 5,459.46 = 1,042.42 : x
  2. Step 2: Convert to fraction form
    3,639.64/5,459.46 = 1,042.42/x
  3. Step 3: Cross multiply
    3,639.64x = 5,459.46 × 1,042.42
  4. Step 4: Simplify right side
    3,639.64x = 5,691,050.29
  5. Step 5: Solve for x
    x = 5,691,050.29/3,639.64
  6. Step 6: Final answer
    x = 1,563.63

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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.