Home / 1,609.08-2,217.42-1,142.52

Finding the Fourth Proportional to 1,609.08, 2,217.42 and 1,142.52

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Solution

The fourth proportional to 1,609.08, 2,217.42 and 1,142.52 is: 1,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.08 : 2,217.42 = 1,142.52 : x
  2. Step 2: Convert to fraction form
    1,609.08/2,217.42 = 1,142.52/x
  3. Step 3: Cross multiply
    1,609.08x = 2,217.42 × 1,142.52
  4. Step 4: Simplify right side
    1,609.08x = 2,533,446.70
  5. Step 5: Solve for x
    x = 2,533,446.70/1,609.08
  6. Step 6: Final answer
    x = 1,574.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.