Home / 3,639.88-5,460.02-1,042.75

Finding the Fourth Proportional to 3,639.88, 5,460.02 and 1,042.75

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Solution

The fourth proportional to 3,639.88, 5,460.02 and 1,042.75 is: 1,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.88 : 5,460.02 = 1,042.75 : x
  2. Step 2: Convert to fraction form
    3,639.88/5,460.02 = 1,042.75/x
  3. Step 3: Cross multiply
    3,639.88x = 5,460.02 × 1,042.75
  4. Step 4: Simplify right side
    3,639.88x = 5,693,438.46
  5. Step 5: Solve for x
    x = 5,693,438.46/3,639.88
  6. Step 6: Final answer
    x = 1,564.18

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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.