Home / 3,449.85-4,760.77-1,877.96

Finding the Fourth Proportional to 3,449.85, 4,760.77 and 1,877.96

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Solution

The fourth proportional to 3,449.85, 4,760.77 and 1,877.96 is: 2,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.85 : 4,760.77 = 1,877.96 : x
  2. Step 2: Convert to fraction form
    3,449.85/4,760.77 = 1,877.96/x
  3. Step 3: Cross multiply
    3,449.85x = 4,760.77 × 1,877.96
  4. Step 4: Simplify right side
    3,449.85x = 8,940,535.63
  5. Step 5: Solve for x
    x = 8,940,535.63/3,449.85
  6. Step 6: Final answer
    x = 2,591.57

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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.