Home / 2,253.24-3,381.08-1,157.31

Finding the Fourth Proportional to 2,253.24, 3,381.08 and 1,157.31

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Solution

The fourth proportional to 2,253.24, 3,381.08 and 1,157.31 is: 1,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.24 : 3,381.08 = 1,157.31 : x
  2. Step 2: Convert to fraction form
    2,253.24/3,381.08 = 1,157.31/x
  3. Step 3: Cross multiply
    2,253.24x = 3,381.08 × 1,157.31
  4. Step 4: Simplify right side
    2,253.24x = 3,912,951.91
  5. Step 5: Solve for x
    x = 3,912,951.91/2,253.24
  6. Step 6: Final answer
    x = 1,736.59

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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.