Home / 3,531.10-5,296.04-1,339.30

Finding the Fourth Proportional to 3,531.10, 5,296.04 and 1,339.30

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Solution

The fourth proportional to 3,531.10, 5,296.04 and 1,339.30 is: 2,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.10 : 5,296.04 = 1,339.30 : x
  2. Step 2: Convert to fraction form
    3,531.10/5,296.04 = 1,339.30/x
  3. Step 3: Cross multiply
    3,531.10x = 5,296.04 × 1,339.30
  4. Step 4: Simplify right side
    3,531.10x = 7,092,986.37
  5. Step 5: Solve for x
    x = 7,092,986.37/3,531.10
  6. Step 6: Final answer
    x = 2,008.72

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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.