Home / 3,432.12-4,734.63-2,311.62

Finding the Fourth Proportional to 3,432.12, 4,734.63 and 2,311.62

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Solution

The fourth proportional to 3,432.12, 4,734.63 and 2,311.62 is: 3,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.12 : 4,734.63 = 2,311.62 : x
  2. Step 2: Convert to fraction form
    3,432.12/4,734.63 = 2,311.62/x
  3. Step 3: Cross multiply
    3,432.12x = 4,734.63 × 2,311.62
  4. Step 4: Simplify right side
    3,432.12x = 10,944,665.40
  5. Step 5: Solve for x
    x = 10,944,665.40/3,432.12
  6. Step 6: Final answer
    x = 3,188.89

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1.5x scale

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.