Home / 3,191.32-4,404.54-2,667.16

Finding the Fourth Proportional to 3,191.32, 4,404.54 and 2,667.16

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Solution

The fourth proportional to 3,191.32, 4,404.54 and 2,667.16 is: 3,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.32 : 4,404.54 = 2,667.16 : x
  2. Step 2: Convert to fraction form
    3,191.32/4,404.54 = 2,667.16/x
  3. Step 3: Cross multiply
    3,191.32x = 4,404.54 × 2,667.16
  4. Step 4: Simplify right side
    3,191.32x = 11,747,612.91
  5. Step 5: Solve for x
    x = 11,747,612.91/3,191.32
  6. Step 6: Final answer
    x = 3,681.11

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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.