Home / 2,817.97-4,226.75-1,258.11

Finding the Fourth Proportional to 2,817.97, 4,226.75 and 1,258.11

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Solution

The fourth proportional to 2,817.97, 4,226.75 and 1,258.11 is: 1,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.97 : 4,226.75 = 1,258.11 : x
  2. Step 2: Convert to fraction form
    2,817.97/4,226.75 = 1,258.11/x
  3. Step 3: Cross multiply
    2,817.97x = 4,226.75 × 1,258.11
  4. Step 4: Simplify right side
    2,817.97x = 5,317,714.87
  5. Step 5: Solve for x
    x = 5,317,714.87/2,817.97
  6. Step 6: Final answer
    x = 1,887.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.