Home / 3,086.38-4,629.57-1,443.70

Finding the Fourth Proportional to 3,086.38, 4,629.57 and 1,443.70

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Solution

The fourth proportional to 3,086.38, 4,629.57 and 1,443.70 is: 2,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.38 : 4,629.57 = 1,443.70 : x
  2. Step 2: Convert to fraction form
    3,086.38/4,629.57 = 1,443.70/x
  3. Step 3: Cross multiply
    3,086.38x = 4,629.57 × 1,443.70
  4. Step 4: Simplify right side
    3,086.38x = 6,683,710.21
  5. Step 5: Solve for x
    x = 6,683,710.21/3,086.38
  6. Step 6: Final answer
    x = 2,165.55

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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.