Home / 3,193.70-4,790.55-3,145.10

Finding the Fourth Proportional to 3,193.70, 4,790.55 and 3,145.10

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Solution

The fourth proportional to 3,193.70, 4,790.55 and 3,145.10 is: 4,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.70 : 4,790.55 = 3,145.10 : x
  2. Step 2: Convert to fraction form
    3,193.70/4,790.55 = 3,145.10/x
  3. Step 3: Cross multiply
    3,193.70x = 4,790.55 × 3,145.10
  4. Step 4: Simplify right side
    3,193.70x = 15,066,758.81
  5. Step 5: Solve for x
    x = 15,066,758.81/3,193.70
  6. Step 6: Final answer
    x = 4,717.65

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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.