Home / 3,432.33-5,145.75-3,239.16

Finding the Fourth Proportional to 3,432.33, 5,145.75 and 3,239.16

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Solution

The fourth proportional to 3,432.33, 5,145.75 and 3,239.16 is: 4,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.33 : 5,145.75 = 3,239.16 : x
  2. Step 2: Convert to fraction form
    3,432.33/5,145.75 = 3,239.16/x
  3. Step 3: Cross multiply
    3,432.33x = 5,145.75 × 3,239.16
  4. Step 4: Simplify right side
    3,432.33x = 16,667,907.57
  5. Step 5: Solve for x
    x = 16,667,907.57/3,432.33
  6. Step 6: Final answer
    x = 4,856.15

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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.