Home / 3,097.20-4,635.80-2,275.36

Finding the Fourth Proportional to 3,097.20, 4,635.80 and 2,275.36

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Solution

The fourth proportional to 3,097.20, 4,635.80 and 2,275.36 is: 3,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.20 : 4,635.80 = 2,275.36 : x
  2. Step 2: Convert to fraction form
    3,097.20/4,635.80 = 2,275.36/x
  3. Step 3: Cross multiply
    3,097.20x = 4,635.80 × 2,275.36
  4. Step 4: Simplify right side
    3,097.20x = 10,548,113.89
  5. Step 5: Solve for x
    x = 10,548,113.89/3,097.20
  6. Step 6: Final answer
    x = 3,405.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.