Home / 3,877.28-5,352.50-2,386.47

Finding the Fourth Proportional to 3,877.28, 5,352.50 and 2,386.47

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Solution

The fourth proportional to 3,877.28, 5,352.50 and 2,386.47 is: 3,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.28 : 5,352.50 = 2,386.47 : x
  2. Step 2: Convert to fraction form
    3,877.28/5,352.50 = 2,386.47/x
  3. Step 3: Cross multiply
    3,877.28x = 5,352.50 × 2,386.47
  4. Step 4: Simplify right side
    3,877.28x = 12,773,568.74
  5. Step 5: Solve for x
    x = 12,773,568.74/3,877.28
  6. Step 6: Final answer
    x = 3,294.47

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1.5x scale

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.