Home / 2,258.96-3,117.29-1,264.23

Finding the Fourth Proportional to 2,258.96, 3,117.29 and 1,264.23

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Solution

The fourth proportional to 2,258.96, 3,117.29 and 1,264.23 is: 1,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.96 : 3,117.29 = 1,264.23 : x
  2. Step 2: Convert to fraction form
    2,258.96/3,117.29 = 1,264.23/x
  3. Step 3: Cross multiply
    2,258.96x = 3,117.29 × 1,264.23
  4. Step 4: Simplify right side
    2,258.96x = 3,940,965.22
  5. Step 5: Solve for x
    x = 3,940,965.22/2,258.96
  6. Step 6: Final answer
    x = 1,744.60

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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.