Home / 2,690.55-4,039.88-2,552.04

Finding the Fourth Proportional to 2,690.55, 4,039.88 and 2,552.04

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Solution

The fourth proportional to 2,690.55, 4,039.88 and 2,552.04 is: 3,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.55 : 4,039.88 = 2,552.04 : x
  2. Step 2: Convert to fraction form
    2,690.55/4,039.88 = 2,552.04/x
  3. Step 3: Cross multiply
    2,690.55x = 4,039.88 × 2,552.04
  4. Step 4: Simplify right side
    2,690.55x = 10,309,922.60
  5. Step 5: Solve for x
    x = 10,309,922.60/2,690.55
  6. Step 6: Final answer
    x = 3,831.90

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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.