Home / 2,432.08-3,648.66-1,261.72

Finding the Fourth Proportional to 2,432.08, 3,648.66 and 1,261.72

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Solution

The fourth proportional to 2,432.08, 3,648.66 and 1,261.72 is: 1,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.08 : 3,648.66 = 1,261.72 : x
  2. Step 2: Convert to fraction form
    2,432.08/3,648.66 = 1,261.72/x
  3. Step 3: Cross multiply
    2,432.08x = 3,648.66 × 1,261.72
  4. Step 4: Simplify right side
    2,432.08x = 4,603,587.30
  5. Step 5: Solve for x
    x = 4,603,587.30/2,432.08
  6. Step 6: Final answer
    x = 1,892.86

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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.