Home / 3,031.62-4,181.13-2,560.62

Finding the Fourth Proportional to 3,031.62, 4,181.13 and 2,560.62

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Solution

The fourth proportional to 3,031.62, 4,181.13 and 2,560.62 is: 3,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.62 : 4,181.13 = 2,560.62 : x
  2. Step 2: Convert to fraction form
    3,031.62/4,181.13 = 2,560.62/x
  3. Step 3: Cross multiply
    3,031.62x = 4,181.13 × 2,560.62
  4. Step 4: Simplify right side
    3,031.62x = 10,706,285.10
  5. Step 5: Solve for x
    x = 10,706,285.10/3,031.62
  6. Step 6: Final answer
    x = 3,531.54

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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.