Home / 2,116.11-3,173.76-576.75

Finding the Fourth Proportional to 2,116.11, 3,173.76 and 576.75

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Solution

The fourth proportional to 2,116.11, 3,173.76 and 576.75 is: 865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.11 : 3,173.76 = 576.75 : x
  2. Step 2: Convert to fraction form
    2,116.11/3,173.76 = 576.75/x
  3. Step 3: Cross multiply
    2,116.11x = 3,173.76 × 576.75
  4. Step 4: Simplify right side
    2,116.11x = 1,830,466.08
  5. Step 5: Solve for x
    x = 1,830,466.08/2,116.11
  6. Step 6: Final answer
    x = 865.01

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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.