Home / 1,427.50-2,141.26-502.88

Finding the Fourth Proportional to 1,427.50, 2,141.26 and 502.88

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Solution

The fourth proportional to 1,427.50, 2,141.26 and 502.88 is: 754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.50 : 2,141.26 = 502.88 : x
  2. Step 2: Convert to fraction form
    1,427.50/2,141.26 = 502.88/x
  3. Step 3: Cross multiply
    1,427.50x = 2,141.26 × 502.88
  4. Step 4: Simplify right side
    1,427.50x = 1,076,804.35
  5. Step 5: Solve for x
    x = 1,076,804.35/1,427.50
  6. Step 6: Final answer
    x = 754.33

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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.