Home / 3,385.29-5,065.21-2,347.31

Finding the Fourth Proportional to 3,385.29, 5,065.21 and 2,347.31

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Solution

The fourth proportional to 3,385.29, 5,065.21 and 2,347.31 is: 3,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.29 : 5,065.21 = 2,347.31 : x
  2. Step 2: Convert to fraction form
    3,385.29/5,065.21 = 2,347.31/x
  3. Step 3: Cross multiply
    3,385.29x = 5,065.21 × 2,347.31
  4. Step 4: Simplify right side
    3,385.29x = 11,889,581.02
  5. Step 5: Solve for x
    x = 11,889,581.02/3,385.29
  6. Step 6: Final answer
    x = 3,512.13

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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.