Home / 3,097.14-4,271.30-2,415.95

Finding the Fourth Proportional to 3,097.14, 4,271.30 and 2,415.95

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Solution

The fourth proportional to 3,097.14, 4,271.30 and 2,415.95 is: 3,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.14 : 4,271.30 = 2,415.95 : x
  2. Step 2: Convert to fraction form
    3,097.14/4,271.30 = 2,415.95/x
  3. Step 3: Cross multiply
    3,097.14x = 4,271.30 × 2,415.95
  4. Step 4: Simplify right side
    3,097.14x = 10,319,213.80
  5. Step 5: Solve for x
    x = 10,319,213.80/3,097.14
  6. Step 6: Final answer
    x = 3,331.85

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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.