Home / 3,490.31-5,239.11-2,566.91

Finding the Fourth Proportional to 3,490.31, 5,239.11 and 2,566.91

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Solution

The fourth proportional to 3,490.31, 5,239.11 and 2,566.91 is: 3,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.31 : 5,239.11 = 2,566.91 : x
  2. Step 2: Convert to fraction form
    3,490.31/5,239.11 = 2,566.91/x
  3. Step 3: Cross multiply
    3,490.31x = 5,239.11 × 2,566.91
  4. Step 4: Simplify right side
    3,490.31x = 13,448,323.85
  5. Step 5: Solve for x
    x = 13,448,323.85/3,490.31
  6. Step 6: Final answer
    x = 3,853.05

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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.