Home / 3,358.28-5,037.42-1,277.79

Finding the Fourth Proportional to 3,358.28, 5,037.42 and 1,277.79

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Solution

The fourth proportional to 3,358.28, 5,037.42 and 1,277.79 is: 1,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.28 : 5,037.42 = 1,277.79 : x
  2. Step 2: Convert to fraction form
    3,358.28/5,037.42 = 1,277.79/x
  3. Step 3: Cross multiply
    3,358.28x = 5,037.42 × 1,277.79
  4. Step 4: Simplify right side
    3,358.28x = 6,436,764.90
  5. Step 5: Solve for x
    x = 6,436,764.90/3,358.28
  6. Step 6: Final answer
    x = 1,916.69

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Double scale
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Similar ratio
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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.