Home / 3,984.54-5,497.98-2,306.16

Finding the Fourth Proportional to 3,984.54, 5,497.98 and 2,306.16

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Solution

The fourth proportional to 3,984.54, 5,497.98 and 2,306.16 is: 3,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.54 : 5,497.98 = 2,306.16 : x
  2. Step 2: Convert to fraction form
    3,984.54/5,497.98 = 2,306.16/x
  3. Step 3: Cross multiply
    3,984.54x = 5,497.98 × 2,306.16
  4. Step 4: Simplify right side
    3,984.54x = 12,679,221.56
  5. Step 5: Solve for x
    x = 12,679,221.56/3,984.54
  6. Step 6: Final answer
    x = 3,182.10

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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.