Home / 3,155.43-4,733.15-1,998.75

Finding the Fourth Proportional to 3,155.43, 4,733.15 and 1,998.75

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Solution

The fourth proportional to 3,155.43, 4,733.15 and 1,998.75 is: 2,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.43 : 4,733.15 = 1,998.75 : x
  2. Step 2: Convert to fraction form
    3,155.43/4,733.15 = 1,998.75/x
  3. Step 3: Cross multiply
    3,155.43x = 4,733.15 × 1,998.75
  4. Step 4: Simplify right side
    3,155.43x = 9,460,373.57
  5. Step 5: Solve for x
    x = 9,460,373.57/3,155.43
  6. Step 6: Final answer
    x = 2,998.13

Related Problems

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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.