Home / 2,974.32-4,468.80-2,609.76

Finding the Fourth Proportional to 2,974.32, 4,468.80 and 2,609.76

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Solution

The fourth proportional to 2,974.32, 4,468.80 and 2,609.76 is: 3,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.32 : 4,468.80 = 2,609.76 : x
  2. Step 2: Convert to fraction form
    2,974.32/4,468.80 = 2,609.76/x
  3. Step 3: Cross multiply
    2,974.32x = 4,468.80 × 2,609.76
  4. Step 4: Simplify right side
    2,974.32x = 11,662,495.49
  5. Step 5: Solve for x
    x = 11,662,495.49/2,974.32
  6. Step 6: Final answer
    x = 3,921.06

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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.