Home / 3,884.49-5,360.45-2,116.08

Finding the Fourth Proportional to 3,884.49, 5,360.45 and 2,116.08

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Solution

The fourth proportional to 3,884.49, 5,360.45 and 2,116.08 is: 2,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.49 : 5,360.45 = 2,116.08 : x
  2. Step 2: Convert to fraction form
    3,884.49/5,360.45 = 2,116.08/x
  3. Step 3: Cross multiply
    3,884.49x = 5,360.45 × 2,116.08
  4. Step 4: Simplify right side
    3,884.49x = 11,343,130.46
  5. Step 5: Solve for x
    x = 11,343,130.46/3,884.49
  6. Step 6: Final answer
    x = 2,920.11

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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.