Home / 2,749.38-4,124.18-801.58

Finding the Fourth Proportional to 2,749.38, 4,124.18 and 801.58

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Solution

The fourth proportional to 2,749.38, 4,124.18 and 801.58 is: 1,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.38 : 4,124.18 = 801.58 : x
  2. Step 2: Convert to fraction form
    2,749.38/4,124.18 = 801.58/x
  3. Step 3: Cross multiply
    2,749.38x = 4,124.18 × 801.58
  4. Step 4: Simplify right side
    2,749.38x = 3,305,860.20
  5. Step 5: Solve for x
    x = 3,305,860.20/2,749.38
  6. Step 6: Final answer
    x = 1,202.40

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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.