Home / 3,752.94-5,629.05-1,155.18

Finding the Fourth Proportional to 3,752.94, 5,629.05 and 1,155.18

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Solution

The fourth proportional to 3,752.94, 5,629.05 and 1,155.18 is: 1,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.94 : 5,629.05 = 1,155.18 : x
  2. Step 2: Convert to fraction form
    3,752.94/5,629.05 = 1,155.18/x
  3. Step 3: Cross multiply
    3,752.94x = 5,629.05 × 1,155.18
  4. Step 4: Simplify right side
    3,752.94x = 6,502,565.98
  5. Step 5: Solve for x
    x = 6,502,565.98/3,752.94
  6. Step 6: Final answer
    x = 1,732.66

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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.