Home / 2,522.30-3,778.67-1,427.45

Finding the Fourth Proportional to 2,522.30, 3,778.67 and 1,427.45

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Solution

The fourth proportional to 2,522.30, 3,778.67 and 1,427.45 is: 2,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.30 : 3,778.67 = 1,427.45 : x
  2. Step 2: Convert to fraction form
    2,522.30/3,778.67 = 1,427.45/x
  3. Step 3: Cross multiply
    2,522.30x = 3,778.67 × 1,427.45
  4. Step 4: Simplify right side
    2,522.30x = 5,393,847.17
  5. Step 5: Solve for x
    x = 5,393,847.17/2,522.30
  6. Step 6: Final answer
    x = 2,138.47

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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.