Home / 2,347.20-3,239.05-1,352.52

Finding the Fourth Proportional to 2,347.20, 3,239.05 and 1,352.52

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Solution

The fourth proportional to 2,347.20, 3,239.05 and 1,352.52 is: 1,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.20 : 3,239.05 = 1,352.52 : x
  2. Step 2: Convert to fraction form
    2,347.20/3,239.05 = 1,352.52/x
  3. Step 3: Cross multiply
    2,347.20x = 3,239.05 × 1,352.52
  4. Step 4: Simplify right side
    2,347.20x = 4,380,879.91
  5. Step 5: Solve for x
    x = 4,380,879.91/2,347.20
  6. Step 6: Final answer
    x = 1,866.43

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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.