Home / 3,432.08-4,734.32-2,105.30

Finding the Fourth Proportional to 3,432.08, 4,734.32 and 2,105.30

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Solution

The fourth proportional to 3,432.08, 4,734.32 and 2,105.30 is: 2,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.08 : 4,734.32 = 2,105.30 : x
  2. Step 2: Convert to fraction form
    3,432.08/4,734.32 = 2,105.30/x
  3. Step 3: Cross multiply
    3,432.08x = 4,734.32 × 2,105.30
  4. Step 4: Simplify right side
    3,432.08x = 9,967,163.90
  5. Step 5: Solve for x
    x = 9,967,163.90/3,432.08
  6. Step 6: Final answer
    x = 2,904.12

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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.