Home / 2,258.26-3,119.56-2,140.04

Finding the Fourth Proportional to 2,258.26, 3,119.56 and 2,140.04

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Solution

The fourth proportional to 2,258.26, 3,119.56 and 2,140.04 is: 2,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.26 : 3,119.56 = 2,140.04 : x
  2. Step 2: Convert to fraction form
    2,258.26/3,119.56 = 2,140.04/x
  3. Step 3: Cross multiply
    2,258.26x = 3,119.56 × 2,140.04
  4. Step 4: Simplify right side
    2,258.26x = 6,675,983.18
  5. Step 5: Solve for x
    x = 6,675,983.18/2,258.26
  6. Step 6: Final answer
    x = 2,956.25

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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.