Home / 2,869.38-4,302.54-1,020.42

Finding the Fourth Proportional to 2,869.38, 4,302.54 and 1,020.42

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Solution

The fourth proportional to 2,869.38, 4,302.54 and 1,020.42 is: 1,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.38 : 4,302.54 = 1,020.42 : x
  2. Step 2: Convert to fraction form
    2,869.38/4,302.54 = 1,020.42/x
  3. Step 3: Cross multiply
    2,869.38x = 4,302.54 × 1,020.42
  4. Step 4: Simplify right side
    2,869.38x = 4,390,397.87
  5. Step 5: Solve for x
    x = 4,390,397.87/2,869.38
  6. Step 6: Final answer
    x = 1,530.09

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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.