Home / 2,453.85-3,672.56-2,421.04

Finding the Fourth Proportional to 2,453.85, 3,672.56 and 2,421.04

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Solution

The fourth proportional to 2,453.85, 3,672.56 and 2,421.04 is: 3,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.85 : 3,672.56 = 2,421.04 : x
  2. Step 2: Convert to fraction form
    2,453.85/3,672.56 = 2,421.04/x
  3. Step 3: Cross multiply
    2,453.85x = 3,672.56 × 2,421.04
  4. Step 4: Simplify right side
    2,453.85x = 8,891,414.66
  5. Step 5: Solve for x
    x = 8,891,414.66/2,453.85
  6. Step 6: Final answer
    x = 3,623.45

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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.