Home / 3,639.95-5,023.44-2,148.33

Finding the Fourth Proportional to 3,639.95, 5,023.44 and 2,148.33

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Solution

The fourth proportional to 3,639.95, 5,023.44 and 2,148.33 is: 2,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.95 : 5,023.44 = 2,148.33 : x
  2. Step 2: Convert to fraction form
    3,639.95/5,023.44 = 2,148.33/x
  3. Step 3: Cross multiply
    3,639.95x = 5,023.44 × 2,148.33
  4. Step 4: Simplify right side
    3,639.95x = 10,792,006.86
  5. Step 5: Solve for x
    x = 10,792,006.86/3,639.95
  6. Step 6: Final answer
    x = 2,964.88

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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.