Home / 2,309.28-3,463.80-749.26

Finding the Fourth Proportional to 2,309.28, 3,463.80 and 749.26

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Solution

The fourth proportional to 2,309.28, 3,463.80 and 749.26 is: 1,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.28 : 3,463.80 = 749.26 : x
  2. Step 2: Convert to fraction form
    2,309.28/3,463.80 = 749.26/x
  3. Step 3: Cross multiply
    2,309.28x = 3,463.80 × 749.26
  4. Step 4: Simplify right side
    2,309.28x = 2,595,286.79
  5. Step 5: Solve for x
    x = 2,595,286.79/2,309.28
  6. Step 6: Final answer
    x = 1,123.85

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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.