Home / 4,166.28-5,749.38-2,397.78

Finding the Fourth Proportional to 4,166.28, 5,749.38 and 2,397.78

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Solution

The fourth proportional to 4,166.28, 5,749.38 and 2,397.78 is: 3,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.28 : 5,749.38 = 2,397.78 : x
  2. Step 2: Convert to fraction form
    4,166.28/5,749.38 = 2,397.78/x
  3. Step 3: Cross multiply
    4,166.28x = 5,749.38 × 2,397.78
  4. Step 4: Simplify right side
    4,166.28x = 13,785,748.38
  5. Step 5: Solve for x
    x = 13,785,748.38/4,166.28
  6. Step 6: Final answer
    x = 3,308.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.