Home / 3,432.20-5,148.16-2,389.19

Finding the Fourth Proportional to 3,432.20, 5,148.16 and 2,389.19

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Solution

The fourth proportional to 3,432.20, 5,148.16 and 2,389.19 is: 3,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.20 : 5,148.16 = 2,389.19 : x
  2. Step 2: Convert to fraction form
    3,432.20/5,148.16 = 2,389.19/x
  3. Step 3: Cross multiply
    3,432.20x = 5,148.16 × 2,389.19
  4. Step 4: Simplify right side
    3,432.20x = 12,299,932.39
  5. Step 5: Solve for x
    x = 12,299,932.39/3,432.20
  6. Step 6: Final answer
    x = 3,583.69

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1.5x scale

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.