Home / 3,863.46-5,332.84-2,270.08

Finding the Fourth Proportional to 3,863.46, 5,332.84 and 2,270.08

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Solution

The fourth proportional to 3,863.46, 5,332.84 and 2,270.08 is: 3,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.46 : 5,332.84 = 2,270.08 : x
  2. Step 2: Convert to fraction form
    3,863.46/5,332.84 = 2,270.08/x
  3. Step 3: Cross multiply
    3,863.46x = 5,332.84 × 2,270.08
  4. Step 4: Simplify right side
    3,863.46x = 12,105,989.42
  5. Step 5: Solve for x
    x = 12,105,989.42/3,863.46
  6. Step 6: Final answer
    x = 3,133.45

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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.