Home / 2,258.06-3,116.41-1,263.39

Finding the Fourth Proportional to 2,258.06, 3,116.41 and 1,263.39

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Solution

The fourth proportional to 2,258.06, 3,116.41 and 1,263.39 is: 1,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.06 : 3,116.41 = 1,263.39 : x
  2. Step 2: Convert to fraction form
    2,258.06/3,116.41 = 1,263.39/x
  3. Step 3: Cross multiply
    2,258.06x = 3,116.41 × 1,263.39
  4. Step 4: Simplify right side
    2,258.06x = 3,937,241.23
  5. Step 5: Solve for x
    x = 3,937,241.23/2,258.06
  6. Step 6: Final answer
    x = 1,743.64

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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.