Home / 2,252.76-3,108.80-1,258.04

Finding the Fourth Proportional to 2,252.76, 3,108.80 and 1,258.04

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Solution

The fourth proportional to 2,252.76, 3,108.80 and 1,258.04 is: 1,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.76 : 3,108.80 = 1,258.04 : x
  2. Step 2: Convert to fraction form
    2,252.76/3,108.80 = 1,258.04/x
  3. Step 3: Cross multiply
    2,252.76x = 3,108.80 × 1,258.04
  4. Step 4: Simplify right side
    2,252.76x = 3,910,994.01
  5. Step 5: Solve for x
    x = 3,910,994.01/2,252.76
  6. Step 6: Final answer
    x = 1,736.09

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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.