Home / 3,340.29-5,010.98-1,392.69

Finding the Fourth Proportional to 3,340.29, 5,010.98 and 1,392.69

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Solution

The fourth proportional to 3,340.29, 5,010.98 and 1,392.69 is: 2,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.29 : 5,010.98 = 1,392.69 : x
  2. Step 2: Convert to fraction form
    3,340.29/5,010.98 = 1,392.69/x
  3. Step 3: Cross multiply
    3,340.29x = 5,010.98 × 1,392.69
  4. Step 4: Simplify right side
    3,340.29x = 6,978,734.77
  5. Step 5: Solve for x
    x = 6,978,734.77/3,340.29
  6. Step 6: Final answer
    x = 2,089.26

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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.