Home / 1,427.52-2,141.26-502.84

Finding the Fourth Proportional to 1,427.52, 2,141.26 and 502.84

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Solution

The fourth proportional to 1,427.52, 2,141.26 and 502.84 is: 754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.52 : 2,141.26 = 502.84 : x
  2. Step 2: Convert to fraction form
    1,427.52/2,141.26 = 502.84/x
  3. Step 3: Cross multiply
    1,427.52x = 2,141.26 × 502.84
  4. Step 4: Simplify right side
    1,427.52x = 1,076,711.18
  5. Step 5: Solve for x
    x = 1,076,711.18/1,427.52
  6. Step 6: Final answer
    x = 754.25

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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.