Home / 3,047.28-4,198.98-2,339.08

Finding the Fourth Proportional to 3,047.28, 4,198.98 and 2,339.08

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Solution

The fourth proportional to 3,047.28, 4,198.98 and 2,339.08 is: 3,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.28 : 4,198.98 = 2,339.08 : x
  2. Step 2: Convert to fraction form
    3,047.28/4,198.98 = 2,339.08/x
  3. Step 3: Cross multiply
    3,047.28x = 4,198.98 × 2,339.08
  4. Step 4: Simplify right side
    3,047.28x = 9,821,750.14
  5. Step 5: Solve for x
    x = 9,821,750.14/3,047.28
  6. Step 6: Final answer
    x = 3,223.12

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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.