Home / 2,749.24-4,123.20-800.92

Finding the Fourth Proportional to 2,749.24, 4,123.20 and 800.92

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Solution

The fourth proportional to 2,749.24, 4,123.20 and 800.92 is: 1,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.24 : 4,123.20 = 800.92 : x
  2. Step 2: Convert to fraction form
    2,749.24/4,123.20 = 800.92/x
  3. Step 3: Cross multiply
    2,749.24x = 4,123.20 × 800.92
  4. Step 4: Simplify right side
    2,749.24x = 3,302,353.34
  5. Step 5: Solve for x
    x = 3,302,353.34/2,749.24
  6. Step 6: Final answer
    x = 1,201.19

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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.