Home / 1,159.20-1,738.40-337.25

Finding the Fourth Proportional to 1,159.20, 1,738.40 and 337.25

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Solution

The fourth proportional to 1,159.20, 1,738.40 and 337.25 is: 505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.20 : 1,738.40 = 337.25 : x
  2. Step 2: Convert to fraction form
    1,159.20/1,738.40 = 337.25/x
  3. Step 3: Cross multiply
    1,159.20x = 1,738.40 × 337.25
  4. Step 4: Simplify right side
    1,159.20x = 586,278.06
  5. Step 5: Solve for x
    x = 586,278.06/1,159.20
  6. Step 6: Final answer
    x = 505.76

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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.