Home / 3,098.95-4,279.80-2,434.75

Finding the Fourth Proportional to 3,098.95, 4,279.80 and 2,434.75

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Solution

The fourth proportional to 3,098.95, 4,279.80 and 2,434.75 is: 3,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.95 : 4,279.80 = 2,434.75 : x
  2. Step 2: Convert to fraction form
    3,098.95/4,279.80 = 2,434.75/x
  3. Step 3: Cross multiply
    3,098.95x = 4,279.80 × 2,434.75
  4. Step 4: Simplify right side
    3,098.95x = 10,420,243.05
  5. Step 5: Solve for x
    x = 10,420,243.05/3,098.95
  6. Step 6: Final answer
    x = 3,362.51

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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.