Home / 3,299.62-4,551.82-1,972.98

Finding the Fourth Proportional to 3,299.62, 4,551.82 and 1,972.98

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Solution

The fourth proportional to 3,299.62, 4,551.82 and 1,972.98 is: 2,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.62 : 4,551.82 = 1,972.98 : x
  2. Step 2: Convert to fraction form
    3,299.62/4,551.82 = 1,972.98/x
  3. Step 3: Cross multiply
    3,299.62x = 4,551.82 × 1,972.98
  4. Step 4: Simplify right side
    3,299.62x = 8,980,649.82
  5. Step 5: Solve for x
    x = 8,980,649.82/3,299.62
  6. Step 6: Final answer
    x = 2,721.72

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1.5x scale

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.