Home / 3,144.30-4,339.62-2,263.02

Finding the Fourth Proportional to 3,144.30, 4,339.62 and 2,263.02

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Solution

The fourth proportional to 3,144.30, 4,339.62 and 2,263.02 is: 3,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.30 : 4,339.62 = 2,263.02 : x
  2. Step 2: Convert to fraction form
    3,144.30/4,339.62 = 2,263.02/x
  3. Step 3: Cross multiply
    3,144.30x = 4,339.62 × 2,263.02
  4. Step 4: Simplify right side
    3,144.30x = 9,820,646.85
  5. Step 5: Solve for x
    x = 9,820,646.85/3,144.30
  6. Step 6: Final answer
    x = 3,123.32

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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.