Home / 2,891.45-4,337.30-2,407.91

Finding the Fourth Proportional to 2,891.45, 4,337.30 and 2,407.91

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Solution

The fourth proportional to 2,891.45, 4,337.30 and 2,407.91 is: 3,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.45 : 4,337.30 = 2,407.91 : x
  2. Step 2: Convert to fraction form
    2,891.45/4,337.30 = 2,407.91/x
  3. Step 3: Cross multiply
    2,891.45x = 4,337.30 × 2,407.91
  4. Step 4: Simplify right side
    2,891.45x = 10,443,828.04
  5. Step 5: Solve for x
    x = 10,443,828.04/2,891.45
  6. Step 6: Final answer
    x = 3,611.97

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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.