Home / 3,884.39-5,360.59-2,116.16

Finding the Fourth Proportional to 3,884.39, 5,360.59 and 2,116.16

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Solution

The fourth proportional to 3,884.39, 5,360.59 and 2,116.16 is: 2,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.39 : 5,360.59 = 2,116.16 : x
  2. Step 2: Convert to fraction form
    3,884.39/5,360.59 = 2,116.16/x
  3. Step 3: Cross multiply
    3,884.39x = 5,360.59 × 2,116.16
  4. Step 4: Simplify right side
    3,884.39x = 11,343,882.18
  5. Step 5: Solve for x
    x = 11,343,882.18/3,884.39
  6. Step 6: Final answer
    x = 2,920.37

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1.5x scale

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.