Home / 1,474.31-2,034.25-836.13

Finding the Fourth Proportional to 1,474.31, 2,034.25 and 836.13

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Solution

The fourth proportional to 1,474.31, 2,034.25 and 836.13 is: 1,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.31 : 2,034.25 = 836.13 : x
  2. Step 2: Convert to fraction form
    1,474.31/2,034.25 = 836.13/x
  3. Step 3: Cross multiply
    1,474.31x = 2,034.25 × 836.13
  4. Step 4: Simplify right side
    1,474.31x = 1,700,895.36
  5. Step 5: Solve for x
    x = 1,700,895.36/1,474.31
  6. Step 6: Final answer
    x = 1,153.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.