Home / 3,342.90-5,011.38-1,586.82

Finding the Fourth Proportional to 3,342.90, 5,011.38 and 1,586.82

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Solution

The fourth proportional to 3,342.90, 5,011.38 and 1,586.82 is: 2,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.90 : 5,011.38 = 1,586.82 : x
  2. Step 2: Convert to fraction form
    3,342.90/5,011.38 = 1,586.82/x
  3. Step 3: Cross multiply
    3,342.90x = 5,011.38 × 1,586.82
  4. Step 4: Simplify right side
    3,342.90x = 7,952,164.43
  5. Step 5: Solve for x
    x = 7,952,164.43/3,342.90
  6. Step 6: Final answer
    x = 2,378.82

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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.