Home / 1,154.12-1,730.81-373.95

Finding the Fourth Proportional to 1,154.12, 1,730.81 and 373.95

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Solution

The fourth proportional to 1,154.12, 1,730.81 and 373.95 is: 560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.12 : 1,730.81 = 373.95 : x
  2. Step 2: Convert to fraction form
    1,154.12/1,730.81 = 373.95/x
  3. Step 3: Cross multiply
    1,154.12x = 1,730.81 × 373.95
  4. Step 4: Simplify right side
    1,154.12x = 647,234.53
  5. Step 5: Solve for x
    x = 647,234.53/1,154.12
  6. Step 6: Final answer
    x = 560.81

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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.