Home / 3,449.60-4,760.35-1,877.66

Finding the Fourth Proportional to 3,449.60, 4,760.35 and 1,877.66

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Solution

The fourth proportional to 3,449.60, 4,760.35 and 1,877.66 is: 2,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.60 : 4,760.35 = 1,877.66 : x
  2. Step 2: Convert to fraction form
    3,449.60/4,760.35 = 1,877.66/x
  3. Step 3: Cross multiply
    3,449.60x = 4,760.35 × 1,877.66
  4. Step 4: Simplify right side
    3,449.60x = 8,938,285.59
  5. Step 5: Solve for x
    x = 8,938,285.59/3,449.60
  6. Step 6: Final answer
    x = 2,591.11

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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.