Home / 3,934.78-5,897.85-1,335.76

Finding the Fourth Proportional to 3,934.78, 5,897.85 and 1,335.76

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Solution

The fourth proportional to 3,934.78, 5,897.85 and 1,335.76 is: 2,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.78 : 5,897.85 = 1,335.76 : x
  2. Step 2: Convert to fraction form
    3,934.78/5,897.85 = 1,335.76/x
  3. Step 3: Cross multiply
    3,934.78x = 5,897.85 × 1,335.76
  4. Step 4: Simplify right side
    3,934.78x = 7,878,112.12
  5. Step 5: Solve for x
    x = 7,878,112.12/3,934.78
  6. Step 6: Final answer
    x = 2,002.17

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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.