Home / 1,657.18-2,485.41-502.66

Finding the Fourth Proportional to 1,657.18, 2,485.41 and 502.66

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Solution

The fourth proportional to 1,657.18, 2,485.41 and 502.66 is: 753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.18 : 2,485.41 = 502.66 : x
  2. Step 2: Convert to fraction form
    1,657.18/2,485.41 = 502.66/x
  3. Step 3: Cross multiply
    1,657.18x = 2,485.41 × 502.66
  4. Step 4: Simplify right side
    1,657.18x = 1,249,316.19
  5. Step 5: Solve for x
    x = 1,249,316.19/1,657.18
  6. Step 6: Final answer
    x = 753.88

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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.