Home / 3,519.96-5,275.28-1,872.96

Finding the Fourth Proportional to 3,519.96, 5,275.28 and 1,872.96

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Solution

The fourth proportional to 3,519.96, 5,275.28 and 1,872.96 is: 2,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.96 : 5,275.28 = 1,872.96 : x
  2. Step 2: Convert to fraction form
    3,519.96/5,275.28 = 1,872.96/x
  3. Step 3: Cross multiply
    3,519.96x = 5,275.28 × 1,872.96
  4. Step 4: Simplify right side
    3,519.96x = 9,880,379.06
  5. Step 5: Solve for x
    x = 9,880,379.06/3,519.96
  6. Step 6: Final answer
    x = 2,806.96

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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.