Home / 2,376.60-3,280.85-1,581.24

Finding the Fourth Proportional to 2,376.60, 3,280.85 and 1,581.24

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Solution

The fourth proportional to 2,376.60, 3,280.85 and 1,581.24 is: 2,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.60 : 3,280.85 = 1,581.24 : x
  2. Step 2: Convert to fraction form
    2,376.60/3,280.85 = 1,581.24/x
  3. Step 3: Cross multiply
    2,376.60x = 3,280.85 × 1,581.24
  4. Step 4: Simplify right side
    2,376.60x = 5,187,821.58
  5. Step 5: Solve for x
    x = 5,187,821.58/2,376.60
  6. Step 6: Final answer
    x = 2,182.88

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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.