Home / 3,459.70-5,191.89-2,287.18

Finding the Fourth Proportional to 3,459.70, 5,191.89 and 2,287.18

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Solution

The fourth proportional to 3,459.70, 5,191.89 and 2,287.18 is: 3,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.70 : 5,191.89 = 2,287.18 : x
  2. Step 2: Convert to fraction form
    3,459.70/5,191.89 = 2,287.18/x
  3. Step 3: Cross multiply
    3,459.70x = 5,191.89 × 2,287.18
  4. Step 4: Simplify right side
    3,459.70x = 11,874,786.97
  5. Step 5: Solve for x
    x = 11,874,786.97/3,459.70
  6. Step 6: Final answer
    x = 3,432.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.