Home / 1,153.29-1,730.10-373.11

Finding the Fourth Proportional to 1,153.29, 1,730.10 and 373.11

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Solution

The fourth proportional to 1,153.29, 1,730.10 and 373.11 is: 559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.29 : 1,730.10 = 373.11 : x
  2. Step 2: Convert to fraction form
    1,153.29/1,730.10 = 373.11/x
  3. Step 3: Cross multiply
    1,153.29x = 1,730.10 × 373.11
  4. Step 4: Simplify right side
    1,153.29x = 645,517.61
  5. Step 5: Solve for x
    x = 645,517.61/1,153.29
  6. Step 6: Final answer
    x = 559.72

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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.