Home / 3,439.17-5,161.79-1,774.44

Finding the Fourth Proportional to 3,439.17, 5,161.79 and 1,774.44

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Solution

The fourth proportional to 3,439.17, 5,161.79 and 1,774.44 is: 2,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.17 : 5,161.79 = 1,774.44 : x
  2. Step 2: Convert to fraction form
    3,439.17/5,161.79 = 1,774.44/x
  3. Step 3: Cross multiply
    3,439.17x = 5,161.79 × 1,774.44
  4. Step 4: Simplify right side
    3,439.17x = 9,159,286.65
  5. Step 5: Solve for x
    x = 9,159,286.65/3,439.17
  6. Step 6: Final answer
    x = 2,663.23

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1.5x scale

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.