Home / 3,752.49-5,629.95-1,287.27

Finding the Fourth Proportional to 3,752.49, 5,629.95 and 1,287.27

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Solution

The fourth proportional to 3,752.49, 5,629.95 and 1,287.27 is: 1,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.49 : 5,629.95 = 1,287.27 : x
  2. Step 2: Convert to fraction form
    3,752.49/5,629.95 = 1,287.27/x
  3. Step 3: Cross multiply
    3,752.49x = 5,629.95 × 1,287.27
  4. Step 4: Simplify right side
    3,752.49x = 7,247,265.74
  5. Step 5: Solve for x
    x = 7,247,265.74/3,752.49
  6. Step 6: Final answer
    x = 1,931.32

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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.