Home / 2,919.01-4,379.29-1,531.97

Finding the Fourth Proportional to 2,919.01, 4,379.29 and 1,531.97

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Solution

The fourth proportional to 2,919.01, 4,379.29 and 1,531.97 is: 2,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.01 : 4,379.29 = 1,531.97 : x
  2. Step 2: Convert to fraction form
    2,919.01/4,379.29 = 1,531.97/x
  3. Step 3: Cross multiply
    2,919.01x = 4,379.29 × 1,531.97
  4. Step 4: Simplify right side
    2,919.01x = 6,708,940.90
  5. Step 5: Solve for x
    x = 6,708,940.90/2,919.01
  6. Step 6: Final answer
    x = 2,298.36

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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.