Home / 3,409.16-5,108.91-2,712.72

Finding the Fourth Proportional to 3,409.16, 5,108.91 and 2,712.72

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Solution

The fourth proportional to 3,409.16, 5,108.91 and 2,712.72 is: 4,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.16 : 5,108.91 = 2,712.72 : x
  2. Step 2: Convert to fraction form
    3,409.16/5,108.91 = 2,712.72/x
  3. Step 3: Cross multiply
    3,409.16x = 5,108.91 × 2,712.72
  4. Step 4: Simplify right side
    3,409.16x = 13,859,042.34
  5. Step 5: Solve for x
    x = 13,859,042.34/3,409.16
  6. Step 6: Final answer
    x = 4,065.24

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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.