Home / 1,580.10-2,371.20-1,092.27

Finding the Fourth Proportional to 1,580.10, 2,371.20 and 1,092.27

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Solution

The fourth proportional to 1,580.10, 2,371.20 and 1,092.27 is: 1,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.10 : 2,371.20 = 1,092.27 : x
  2. Step 2: Convert to fraction form
    1,580.10/2,371.20 = 1,092.27/x
  3. Step 3: Cross multiply
    1,580.10x = 2,371.20 × 1,092.27
  4. Step 4: Simplify right side
    1,580.10x = 2,589,990.62
  5. Step 5: Solve for x
    x = 2,589,990.62/1,580.10
  6. Step 6: Final answer
    x = 1,639.13

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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.