Home / 2,919.28-4,023.98-2,677.95

Finding the Fourth Proportional to 2,919.28, 4,023.98 and 2,677.95

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Solution

The fourth proportional to 2,919.28, 4,023.98 and 2,677.95 is: 3,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.28 : 4,023.98 = 2,677.95 : x
  2. Step 2: Convert to fraction form
    2,919.28/4,023.98 = 2,677.95/x
  3. Step 3: Cross multiply
    2,919.28x = 4,023.98 × 2,677.95
  4. Step 4: Simplify right side
    2,919.28x = 10,776,017.24
  5. Step 5: Solve for x
    x = 10,776,017.24/2,919.28
  6. Step 6: Final answer
    x = 3,691.33

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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.