Home / 3,884.52-5,360.67-2,116.02

Finding the Fourth Proportional to 3,884.52, 5,360.67 and 2,116.02

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Solution

The fourth proportional to 3,884.52, 5,360.67 and 2,116.02 is: 2,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.52 : 5,360.67 = 2,116.02 : x
  2. Step 2: Convert to fraction form
    3,884.52/5,360.67 = 2,116.02/x
  3. Step 3: Cross multiply
    3,884.52x = 5,360.67 × 2,116.02
  4. Step 4: Simplify right side
    3,884.52x = 11,343,284.93
  5. Step 5: Solve for x
    x = 11,343,284.93/3,884.52
  6. Step 6: Final answer
    x = 2,920.13

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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.