Home / 3,560.49-5,340.82-1,479.91

Finding the Fourth Proportional to 3,560.49, 5,340.82 and 1,479.91

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Solution

The fourth proportional to 3,560.49, 5,340.82 and 1,479.91 is: 2,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.49 : 5,340.82 = 1,479.91 : x
  2. Step 2: Convert to fraction form
    3,560.49/5,340.82 = 1,479.91/x
  3. Step 3: Cross multiply
    3,560.49x = 5,340.82 × 1,479.91
  4. Step 4: Simplify right side
    3,560.49x = 7,903,932.93
  5. Step 5: Solve for x
    x = 7,903,932.93/3,560.49
  6. Step 6: Final answer
    x = 2,219.90

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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.