Home / 4,145.34-5,717.67-2,816.73

Finding the Fourth Proportional to 4,145.34, 5,717.67 and 2,816.73

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Solution

The fourth proportional to 4,145.34, 5,717.67 and 2,816.73 is: 3,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.34 : 5,717.67 = 2,816.73 : x
  2. Step 2: Convert to fraction form
    4,145.34/5,717.67 = 2,816.73/x
  3. Step 3: Cross multiply
    4,145.34x = 5,717.67 × 2,816.73
  4. Step 4: Simplify right side
    4,145.34x = 16,105,132.62
  5. Step 5: Solve for x
    x = 16,105,132.62/4,145.34
  6. Step 6: Final answer
    x = 3,885.12

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.