Home / 2,242.48-3,383.95-2,161.12

Finding the Fourth Proportional to 2,242.48, 3,383.95 and 2,161.12

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Solution

The fourth proportional to 2,242.48, 3,383.95 and 2,161.12 is: 3,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.48 : 3,383.95 = 2,161.12 : x
  2. Step 2: Convert to fraction form
    2,242.48/3,383.95 = 2,161.12/x
  3. Step 3: Cross multiply
    2,242.48x = 3,383.95 × 2,161.12
  4. Step 4: Simplify right side
    2,242.48x = 7,313,122.02
  5. Step 5: Solve for x
    x = 7,313,122.02/2,242.48
  6. Step 6: Final answer
    x = 3,261.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.