Home / 1,769.47-2,654.66-1,658.29

Finding the Fourth Proportional to 1,769.47, 2,654.66 and 1,658.29

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Solution

The fourth proportional to 1,769.47, 2,654.66 and 1,658.29 is: 2,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.47 : 2,654.66 = 1,658.29 : x
  2. Step 2: Convert to fraction form
    1,769.47/2,654.66 = 1,658.29/x
  3. Step 3: Cross multiply
    1,769.47x = 2,654.66 × 1,658.29
  4. Step 4: Simplify right side
    1,769.47x = 4,402,196.13
  5. Step 5: Solve for x
    x = 4,402,196.13/1,769.47
  6. Step 6: Final answer
    x = 2,487.86

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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.