Home / 3,250.85-4,877.89-1,402.43

Finding the Fourth Proportional to 3,250.85, 4,877.89 and 1,402.43

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Solution

The fourth proportional to 3,250.85, 4,877.89 and 1,402.43 is: 2,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.85 : 4,877.89 = 1,402.43 : x
  2. Step 2: Convert to fraction form
    3,250.85/4,877.89 = 1,402.43/x
  3. Step 3: Cross multiply
    3,250.85x = 4,877.89 × 1,402.43
  4. Step 4: Simplify right side
    3,250.85x = 6,840,871.38
  5. Step 5: Solve for x
    x = 6,840,871.38/3,250.85
  6. Step 6: Final answer
    x = 2,104.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.