Home / 3,929.33-5,424.86-2,733.87

Finding the Fourth Proportional to 3,929.33, 5,424.86 and 2,733.87

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Solution

The fourth proportional to 3,929.33, 5,424.86 and 2,733.87 is: 3,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.33 : 5,424.86 = 2,733.87 : x
  2. Step 2: Convert to fraction form
    3,929.33/5,424.86 = 2,733.87/x
  3. Step 3: Cross multiply
    3,929.33x = 5,424.86 × 2,733.87
  4. Step 4: Simplify right side
    3,929.33x = 14,830,868.84
  5. Step 5: Solve for x
    x = 14,830,868.84/3,929.33
  6. Step 6: Final answer
    x = 3,774.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.