Home / 2,494.60-3,442.55-1,432.40

Finding the Fourth Proportional to 2,494.60, 3,442.55 and 1,432.40

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Solution

The fourth proportional to 2,494.60, 3,442.55 and 1,432.40 is: 1,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494.60 : 3,442.55 = 1,432.40 : x
  2. Step 2: Convert to fraction form
    2,494.60/3,442.55 = 1,432.40/x
  3. Step 3: Cross multiply
    2,494.60x = 3,442.55 × 1,432.40
  4. Step 4: Simplify right side
    2,494.60x = 4,931,101.46
  5. Step 5: Solve for x
    x = 4,931,101.46/2,494.60
  6. Step 6: Final answer
    x = 1,976.71

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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.