Home / 3,635.47-5,016.99-2,143.29

Finding the Fourth Proportional to 3,635.47, 5,016.99 and 2,143.29

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Solution

The fourth proportional to 3,635.47, 5,016.99 and 2,143.29 is: 2,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.47 : 5,016.99 = 2,143.29 : x
  2. Step 2: Convert to fraction form
    3,635.47/5,016.99 = 2,143.29/x
  3. Step 3: Cross multiply
    3,635.47x = 5,016.99 × 2,143.29
  4. Step 4: Simplify right side
    3,635.47x = 10,752,879.29
  5. Step 5: Solve for x
    x = 10,752,879.29/3,635.47
  6. Step 6: Final answer
    x = 2,957.77

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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.