Home / 3,040.56-4,188.78-2,505.96

Finding the Fourth Proportional to 3,040.56, 4,188.78 and 2,505.96

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Solution

The fourth proportional to 3,040.56, 4,188.78 and 2,505.96 is: 3,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.56 : 4,188.78 = 2,505.96 : x
  2. Step 2: Convert to fraction form
    3,040.56/4,188.78 = 2,505.96/x
  3. Step 3: Cross multiply
    3,040.56x = 4,188.78 × 2,505.96
  4. Step 4: Simplify right side
    3,040.56x = 10,496,915.13
  5. Step 5: Solve for x
    x = 10,496,915.13/3,040.56
  6. Step 6: Final answer
    x = 3,452.30

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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.