Home / 2,432.88-3,355.20-2,181.60

Finding the Fourth Proportional to 2,432.88, 3,355.20 and 2,181.60

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Solution

The fourth proportional to 2,432.88, 3,355.20 and 2,181.60 is: 3,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.88 : 3,355.20 = 2,181.60 : x
  2. Step 2: Convert to fraction form
    2,432.88/3,355.20 = 2,181.60/x
  3. Step 3: Cross multiply
    2,432.88x = 3,355.20 × 2,181.60
  4. Step 4: Simplify right side
    2,432.88x = 7,319,704.32
  5. Step 5: Solve for x
    x = 7,319,704.32/2,432.88
  6. Step 6: Final answer
    x = 3,008.66

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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.