Home / 2,258.12-3,116.13-1,263.52

Finding the Fourth Proportional to 2,258.12, 3,116.13 and 1,263.52

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Solution

The fourth proportional to 2,258.12, 3,116.13 and 1,263.52 is: 1,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.12 : 3,116.13 = 1,263.52 : x
  2. Step 2: Convert to fraction form
    2,258.12/3,116.13 = 1,263.52/x
  3. Step 3: Cross multiply
    2,258.12x = 3,116.13 × 1,263.52
  4. Step 4: Simplify right side
    2,258.12x = 3,937,277.00
  5. Step 5: Solve for x
    x = 3,937,277.00/2,258.12
  6. Step 6: Final answer
    x = 1,743.61

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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.