Home / 2,285.43-3,429.28-1,053.70

Finding the Fourth Proportional to 2,285.43, 3,429.28 and 1,053.70

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Solution

The fourth proportional to 2,285.43, 3,429.28 and 1,053.70 is: 1,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.43 : 3,429.28 = 1,053.70 : x
  2. Step 2: Convert to fraction form
    2,285.43/3,429.28 = 1,053.70/x
  3. Step 3: Cross multiply
    2,285.43x = 3,429.28 × 1,053.70
  4. Step 4: Simplify right side
    2,285.43x = 3,613,432.34
  5. Step 5: Solve for x
    x = 3,613,432.34/2,285.43
  6. Step 6: Final answer
    x = 1,581.07

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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.