Home / 3,986.16-5,971.04-2,338.74

Finding the Fourth Proportional to 3,986.16, 5,971.04 and 2,338.74

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Solution

The fourth proportional to 3,986.16, 5,971.04 and 2,338.74 is: 3,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.16 : 5,971.04 = 2,338.74 : x
  2. Step 2: Convert to fraction form
    3,986.16/5,971.04 = 2,338.74/x
  3. Step 3: Cross multiply
    3,986.16x = 5,971.04 × 2,338.74
  4. Step 4: Simplify right side
    3,986.16x = 13,964,707.17
  5. Step 5: Solve for x
    x = 13,964,707.17/3,986.16
  6. Step 6: Final answer
    x = 3,503.30

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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.