Home / 2,258.32-3,116.74-1,263.85

Finding the Fourth Proportional to 2,258.32, 3,116.74 and 1,263.85

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Solution

The fourth proportional to 2,258.32, 3,116.74 and 1,263.85 is: 1,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.32 : 3,116.74 = 1,263.85 : x
  2. Step 2: Convert to fraction form
    2,258.32/3,116.74 = 1,263.85/x
  3. Step 3: Cross multiply
    2,258.32x = 3,116.74 × 1,263.85
  4. Step 4: Simplify right side
    2,258.32x = 3,939,091.85
  5. Step 5: Solve for x
    x = 3,939,091.85/2,258.32
  6. Step 6: Final answer
    x = 1,744.26

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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.