Home / 2,515.52-3,471.38-1,396.41

Finding the Fourth Proportional to 2,515.52, 3,471.38 and 1,396.41

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Solution

The fourth proportional to 2,515.52, 3,471.38 and 1,396.41 is: 1,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.52 : 3,471.38 = 1,396.41 : x
  2. Step 2: Convert to fraction form
    2,515.52/3,471.38 = 1,396.41/x
  3. Step 3: Cross multiply
    2,515.52x = 3,471.38 × 1,396.41
  4. Step 4: Simplify right side
    2,515.52x = 4,847,469.75
  5. Step 5: Solve for x
    x = 4,847,469.75/2,515.52
  6. Step 6: Final answer
    x = 1,927.03

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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.