Home / 3,657.10-5,472.88-2,991.28

Finding the Fourth Proportional to 3,657.10, 5,472.88 and 2,991.28

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Solution

The fourth proportional to 3,657.10, 5,472.88 and 2,991.28 is: 4,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.10 : 5,472.88 = 2,991.28 : x
  2. Step 2: Convert to fraction form
    3,657.10/5,472.88 = 2,991.28/x
  3. Step 3: Cross multiply
    3,657.10x = 5,472.88 × 2,991.28
  4. Step 4: Simplify right side
    3,657.10x = 16,370,916.49
  5. Step 5: Solve for x
    x = 16,370,916.49/3,657.10
  6. Step 6: Final answer
    x = 4,476.47

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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.