Home / 3,612.24-5,422.68-2,152.08

Finding the Fourth Proportional to 3,612.24, 5,422.68 and 2,152.08

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Solution

The fourth proportional to 3,612.24, 5,422.68 and 2,152.08 is: 3,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.24 : 5,422.68 = 2,152.08 : x
  2. Step 2: Convert to fraction form
    3,612.24/5,422.68 = 2,152.08/x
  3. Step 3: Cross multiply
    3,612.24x = 5,422.68 × 2,152.08
  4. Step 4: Simplify right side
    3,612.24x = 11,670,041.17
  5. Step 5: Solve for x
    x = 11,670,041.17/3,612.24
  6. Step 6: Final answer
    x = 3,230.69

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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.