Home / 1,529.75-2,294.32-749.42

Finding the Fourth Proportional to 1,529.75, 2,294.32 and 749.42

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Solution

The fourth proportional to 1,529.75, 2,294.32 and 749.42 is: 1,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.75 : 2,294.32 = 749.42 : x
  2. Step 2: Convert to fraction form
    1,529.75/2,294.32 = 749.42/x
  3. Step 3: Cross multiply
    1,529.75x = 2,294.32 × 749.42
  4. Step 4: Simplify right side
    1,529.75x = 1,719,394.08
  5. Step 5: Solve for x
    x = 1,719,394.08/1,529.75
  6. Step 6: Final answer
    x = 1,123.97

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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.