Home / 3,919.59-5,878.98-2,454.30

Finding the Fourth Proportional to 3,919.59, 5,878.98 and 2,454.30

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Solution

The fourth proportional to 3,919.59, 5,878.98 and 2,454.30 is: 3,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.59 : 5,878.98 = 2,454.30 : x
  2. Step 2: Convert to fraction form
    3,919.59/5,878.98 = 2,454.30/x
  3. Step 3: Cross multiply
    3,919.59x = 5,878.98 × 2,454.30
  4. Step 4: Simplify right side
    3,919.59x = 14,428,780.61
  5. Step 5: Solve for x
    x = 14,428,780.61/3,919.59
  6. Step 6: Final answer
    x = 3,681.20

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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.