Home / 2,818.16-4,227.02-1,581.70

Finding the Fourth Proportional to 2,818.16, 4,227.02 and 1,581.70

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Solution

The fourth proportional to 2,818.16, 4,227.02 and 1,581.70 is: 2,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.16 : 4,227.02 = 1,581.70 : x
  2. Step 2: Convert to fraction form
    2,818.16/4,227.02 = 1,581.70/x
  3. Step 3: Cross multiply
    2,818.16x = 4,227.02 × 1,581.70
  4. Step 4: Simplify right side
    2,818.16x = 6,685,877.53
  5. Step 5: Solve for x
    x = 6,685,877.53/2,818.16
  6. Step 6: Final answer
    x = 2,372.43

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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.