Home / 3,929.49-5,897.64-2,081.93

Finding the Fourth Proportional to 3,929.49, 5,897.64 and 2,081.93

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Solution

The fourth proportional to 3,929.49, 5,897.64 and 2,081.93 is: 3,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.49 : 5,897.64 = 2,081.93 : x
  2. Step 2: Convert to fraction form
    3,929.49/5,897.64 = 2,081.93/x
  3. Step 3: Cross multiply
    3,929.49x = 5,897.64 × 2,081.93
  4. Step 4: Simplify right side
    3,929.49x = 12,278,444.16
  5. Step 5: Solve for x
    x = 12,278,444.16/3,929.49
  6. Step 6: Final answer
    x = 3,124.69

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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.