Home / 3,639.04-5,023.20-2,849.92

Finding the Fourth Proportional to 3,639.04, 5,023.20 and 2,849.92

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Solution

The fourth proportional to 3,639.04, 5,023.20 and 2,849.92 is: 3,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.04 : 5,023.20 = 2,849.92 : x
  2. Step 2: Convert to fraction form
    3,639.04/5,023.20 = 2,849.92/x
  3. Step 3: Cross multiply
    3,639.04x = 5,023.20 × 2,849.92
  4. Step 4: Simplify right side
    3,639.04x = 14,315,718.14
  5. Step 5: Solve for x
    x = 14,315,718.14/3,639.04
  6. Step 6: Final answer
    x = 3,933.93

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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.