Home / 3,449.40-4,760.01-1,877.49

Finding the Fourth Proportional to 3,449.40, 4,760.01 and 1,877.49

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Solution

The fourth proportional to 3,449.40, 4,760.01 and 1,877.49 is: 2,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.40 : 4,760.01 = 1,877.49 : x
  2. Step 2: Convert to fraction form
    3,449.40/4,760.01 = 1,877.49/x
  3. Step 3: Cross multiply
    3,449.40x = 4,760.01 × 1,877.49
  4. Step 4: Simplify right side
    3,449.40x = 8,936,871.17
  5. Step 5: Solve for x
    x = 8,936,871.17/3,449.40
  6. Step 6: Final answer
    x = 2,590.85

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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.