Home / 3,884.54-5,360.70-2,116.10

Finding the Fourth Proportional to 3,884.54, 5,360.70 and 2,116.10

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Solution

The fourth proportional to 3,884.54, 5,360.70 and 2,116.10 is: 2,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.54 : 5,360.70 = 2,116.10 : x
  2. Step 2: Convert to fraction form
    3,884.54/5,360.70 = 2,116.10/x
  3. Step 3: Cross multiply
    3,884.54x = 5,360.70 × 2,116.10
  4. Step 4: Simplify right side
    3,884.54x = 11,343,777.27
  5. Step 5: Solve for x
    x = 11,343,777.27/3,884.54
  6. Step 6: Final answer
    x = 2,920.24

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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.