Home / 3,612.51-4,983.62-3,169.08

Finding the Fourth Proportional to 3,612.51, 4,983.62 and 3,169.08

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Solution

The fourth proportional to 3,612.51, 4,983.62 and 3,169.08 is: 4,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.51 : 4,983.62 = 3,169.08 : x
  2. Step 2: Convert to fraction form
    3,612.51/4,983.62 = 3,169.08/x
  3. Step 3: Cross multiply
    3,612.51x = 4,983.62 × 3,169.08
  4. Step 4: Simplify right side
    3,612.51x = 15,793,474.62
  5. Step 5: Solve for x
    x = 15,793,474.62/3,612.51
  6. Step 6: Final answer
    x = 4,371.88

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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.