Home / 3,987.33-5,977.12-2,233.17

Finding the Fourth Proportional to 3,987.33, 5,977.12 and 2,233.17

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Solution

The fourth proportional to 3,987.33, 5,977.12 and 2,233.17 is: 3,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.33 : 5,977.12 = 2,233.17 : x
  2. Step 2: Convert to fraction form
    3,987.33/5,977.12 = 2,233.17/x
  3. Step 3: Cross multiply
    3,987.33x = 5,977.12 × 2,233.17
  4. Step 4: Simplify right side
    3,987.33x = 13,347,925.07
  5. Step 5: Solve for x
    x = 13,347,925.07/3,987.33
  6. Step 6: Final answer
    x = 3,347.58

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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.