Home / 3,164.31-4,366.79-1,748

Finding the Fourth Proportional to 3,164.31, 4,366.79 and 1,748

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Solution

The fourth proportional to 3,164.31, 4,366.79 and 1,748 is: 2,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.31 : 4,366.79 = 1,748 : x
  2. Step 2: Convert to fraction form
    3,164.31/4,366.79 = 1,748/x
  3. Step 3: Cross multiply
    3,164.31x = 4,366.79 × 1,748
  4. Step 4: Simplify right side
    3,164.31x = 7,633,148.92
  5. Step 5: Solve for x
    x = 7,633,148.92/3,164.31
  6. Step 6: Final answer
    x = 2,412.26

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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.