Home / 1,541.46-2,311.92-501.31

Finding the Fourth Proportional to 1,541.46, 2,311.92 and 501.31

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Solution

The fourth proportional to 1,541.46, 2,311.92 and 501.31 is: 751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.46 : 2,311.92 = 501.31 : x
  2. Step 2: Convert to fraction form
    1,541.46/2,311.92 = 501.31/x
  3. Step 3: Cross multiply
    1,541.46x = 2,311.92 × 501.31
  4. Step 4: Simplify right side
    1,541.46x = 1,158,980.96
  5. Step 5: Solve for x
    x = 1,158,980.96/1,541.46
  6. Step 6: Final answer
    x = 751.87

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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.