Home / 3,430.22-4,732.30-2,311.52

Finding the Fourth Proportional to 3,430.22, 4,732.30 and 2,311.52

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Solution

The fourth proportional to 3,430.22, 4,732.30 and 2,311.52 is: 3,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.22 : 4,732.30 = 2,311.52 : x
  2. Step 2: Convert to fraction form
    3,430.22/4,732.30 = 2,311.52/x
  3. Step 3: Cross multiply
    3,430.22x = 4,732.30 × 2,311.52
  4. Step 4: Simplify right side
    3,430.22x = 10,938,805.44
  5. Step 5: Solve for x
    x = 10,938,805.44/3,430.22
  6. Step 6: Final answer
    x = 3,188.95

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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.