Home / 3,144.69-4,338.41-2,803.86

Finding the Fourth Proportional to 3,144.69, 4,338.41 and 2,803.86

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Solution

The fourth proportional to 3,144.69, 4,338.41 and 2,803.86 is: 3,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.69 : 4,338.41 = 2,803.86 : x
  2. Step 2: Convert to fraction form
    3,144.69/4,338.41 = 2,803.86/x
  3. Step 3: Cross multiply
    3,144.69x = 4,338.41 × 2,803.86
  4. Step 4: Simplify right side
    3,144.69x = 12,164,280.24
  5. Step 5: Solve for x
    x = 12,164,280.24/3,144.69
  6. Step 6: Final answer
    x = 3,868.20

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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.