Home / 3,431.90-4,731.06-2,250.92

Finding the Fourth Proportional to 3,431.90, 4,731.06 and 2,250.92

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Solution

The fourth proportional to 3,431.90, 4,731.06 and 2,250.92 is: 3,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.90 : 4,731.06 = 2,250.92 : x
  2. Step 2: Convert to fraction form
    3,431.90/4,731.06 = 2,250.92/x
  3. Step 3: Cross multiply
    3,431.90x = 4,731.06 × 2,250.92
  4. Step 4: Simplify right side
    3,431.90x = 10,649,237.58
  5. Step 5: Solve for x
    x = 10,649,237.58/3,431.90
  6. Step 6: Final answer
    x = 3,103.02

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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.