Home / 2,560.55-3,837.78-2,265.30

Finding the Fourth Proportional to 2,560.55, 3,837.78 and 2,265.30

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Solution

The fourth proportional to 2,560.55, 3,837.78 and 2,265.30 is: 3,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.55 : 3,837.78 = 2,265.30 : x
  2. Step 2: Convert to fraction form
    2,560.55/3,837.78 = 2,265.30/x
  3. Step 3: Cross multiply
    2,560.55x = 3,837.78 × 2,265.30
  4. Step 4: Simplify right side
    2,560.55x = 8,693,723.03
  5. Step 5: Solve for x
    x = 8,693,723.03/2,560.55
  6. Step 6: Final answer
    x = 3,395.26

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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.