Home / 2,202.17-3,039.08-1,258.12

Finding the Fourth Proportional to 2,202.17, 3,039.08 and 1,258.12

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Solution

The fourth proportional to 2,202.17, 3,039.08 and 1,258.12 is: 1,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.17 : 3,039.08 = 1,258.12 : x
  2. Step 2: Convert to fraction form
    2,202.17/3,039.08 = 1,258.12/x
  3. Step 3: Cross multiply
    2,202.17x = 3,039.08 × 1,258.12
  4. Step 4: Simplify right side
    2,202.17x = 3,823,527.33
  5. Step 5: Solve for x
    x = 3,823,527.33/2,202.17
  6. Step 6: Final answer
    x = 1,736.25

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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.