Home / 3,930.04-5,886.97-2,077.24

Finding the Fourth Proportional to 3,930.04, 5,886.97 and 2,077.24

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Solution

The fourth proportional to 3,930.04, 5,886.97 and 2,077.24 is: 3,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.04 : 5,886.97 = 2,077.24 : x
  2. Step 2: Convert to fraction form
    3,930.04/5,886.97 = 2,077.24/x
  3. Step 3: Cross multiply
    3,930.04x = 5,886.97 × 2,077.24
  4. Step 4: Simplify right side
    3,930.04x = 12,228,649.56
  5. Step 5: Solve for x
    x = 12,228,649.56/3,930.04
  6. Step 6: Final answer
    x = 3,111.58

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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.