Home / 2,581.20-3,877.56-2,484

Finding the Fourth Proportional to 2,581.20, 3,877.56 and 2,484

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Solution

The fourth proportional to 2,581.20, 3,877.56 and 2,484 is: 3,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.20 : 3,877.56 = 2,484 : x
  2. Step 2: Convert to fraction form
    2,581.20/3,877.56 = 2,484/x
  3. Step 3: Cross multiply
    2,581.20x = 3,877.56 × 2,484
  4. Step 4: Simplify right side
    2,581.20x = 9,631,859.04
  5. Step 5: Solve for x
    x = 9,631,859.04/2,581.20
  6. Step 6: Final answer
    x = 3,731.54

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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.