Home / 2,258.22-3,116.24-1,313.97

Finding the Fourth Proportional to 2,258.22, 3,116.24 and 1,313.97

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Solution

The fourth proportional to 2,258.22, 3,116.24 and 1,313.97 is: 1,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.22 : 3,116.24 = 1,313.97 : x
  2. Step 2: Convert to fraction form
    2,258.22/3,116.24 = 1,313.97/x
  3. Step 3: Cross multiply
    2,258.22x = 3,116.24 × 1,313.97
  4. Step 4: Simplify right side
    2,258.22x = 4,094,639.30
  5. Step 5: Solve for x
    x = 4,094,639.30/2,258.22
  6. Step 6: Final answer
    x = 1,813.22

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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.