Home / 3,415.23-5,122.85-2,443.23

Finding the Fourth Proportional to 3,415.23, 5,122.85 and 2,443.23

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Solution

The fourth proportional to 3,415.23, 5,122.85 and 2,443.23 is: 3,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.23 : 5,122.85 = 2,443.23 : x
  2. Step 2: Convert to fraction form
    3,415.23/5,122.85 = 2,443.23/x
  3. Step 3: Cross multiply
    3,415.23x = 5,122.85 × 2,443.23
  4. Step 4: Simplify right side
    3,415.23x = 12,516,288.59
  5. Step 5: Solve for x
    x = 12,516,288.59/3,415.23
  6. Step 6: Final answer
    x = 3,664.85

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Half scale
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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.