Home / 3,432.78-5,146.94-2,259.23

Finding the Fourth Proportional to 3,432.78, 5,146.94 and 2,259.23

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Solution

The fourth proportional to 3,432.78, 5,146.94 and 2,259.23 is: 3,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.78 : 5,146.94 = 2,259.23 : x
  2. Step 2: Convert to fraction form
    3,432.78/5,146.94 = 2,259.23/x
  3. Step 3: Cross multiply
    3,432.78x = 5,146.94 × 2,259.23
  4. Step 4: Simplify right side
    3,432.78x = 11,628,084.23
  5. Step 5: Solve for x
    x = 11,628,084.23/3,432.78
  6. Step 6: Final answer
    x = 3,387.37

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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.