Home / 3,454.32-4,766.80-1,962.20

Finding the Fourth Proportional to 3,454.32, 4,766.80 and 1,962.20

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Solution

The fourth proportional to 3,454.32, 4,766.80 and 1,962.20 is: 2,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.32 : 4,766.80 = 1,962.20 : x
  2. Step 2: Convert to fraction form
    3,454.32/4,766.80 = 1,962.20/x
  3. Step 3: Cross multiply
    3,454.32x = 4,766.80 × 1,962.20
  4. Step 4: Simplify right side
    3,454.32x = 9,353,414.96
  5. Step 5: Solve for x
    x = 9,353,414.96/3,454.32
  6. Step 6: Final answer
    x = 2,707.74

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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.