Home / 3,186.39-4,394.07-2,432.10

Finding the Fourth Proportional to 3,186.39, 4,394.07 and 2,432.10

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Solution

The fourth proportional to 3,186.39, 4,394.07 and 2,432.10 is: 3,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.39 : 4,394.07 = 2,432.10 : x
  2. Step 2: Convert to fraction form
    3,186.39/4,394.07 = 2,432.10/x
  3. Step 3: Cross multiply
    3,186.39x = 4,394.07 × 2,432.10
  4. Step 4: Simplify right side
    3,186.39x = 10,686,817.65
  5. Step 5: Solve for x
    x = 10,686,817.65/3,186.39
  6. Step 6: Final answer
    x = 3,353.90

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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.