Home / 3,537.03-4,881.15-2,139.78

Finding the Fourth Proportional to 3,537.03, 4,881.15 and 2,139.78

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Solution

The fourth proportional to 3,537.03, 4,881.15 and 2,139.78 is: 2,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.03 : 4,881.15 = 2,139.78 : x
  2. Step 2: Convert to fraction form
    3,537.03/4,881.15 = 2,139.78/x
  3. Step 3: Cross multiply
    3,537.03x = 4,881.15 × 2,139.78
  4. Step 4: Simplify right side
    3,537.03x = 10,444,587.15
  5. Step 5: Solve for x
    x = 10,444,587.15/3,537.03
  6. Step 6: Final answer
    x = 2,952.93

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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.