Home / 3,250.89-4,876.38-1,400.85

Finding the Fourth Proportional to 3,250.89, 4,876.38 and 1,400.85

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Solution

The fourth proportional to 3,250.89, 4,876.38 and 1,400.85 is: 2,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.89 : 4,876.38 = 1,400.85 : x
  2. Step 2: Convert to fraction form
    3,250.89/4,876.38 = 1,400.85/x
  3. Step 3: Cross multiply
    3,250.89x = 4,876.38 × 1,400.85
  4. Step 4: Simplify right side
    3,250.89x = 6,831,076.92
  5. Step 5: Solve for x
    x = 6,831,076.92/3,250.89
  6. Step 6: Final answer
    x = 2,101.29

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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.