Home / 3,366.42-5,047.20-1,721.58

Finding the Fourth Proportional to 3,366.42, 5,047.20 and 1,721.58

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Solution

The fourth proportional to 3,366.42, 5,047.20 and 1,721.58 is: 2,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.42 : 5,047.20 = 1,721.58 : x
  2. Step 2: Convert to fraction form
    3,366.42/5,047.20 = 1,721.58/x
  3. Step 3: Cross multiply
    3,366.42x = 5,047.20 × 1,721.58
  4. Step 4: Simplify right side
    3,366.42x = 8,689,158.58
  5. Step 5: Solve for x
    x = 8,689,158.58/3,366.42
  6. Step 6: Final answer
    x = 2,581.13

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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.