Home / 2,788.57-3,847.12-1,844.88

Finding the Fourth Proportional to 2,788.57, 3,847.12 and 1,844.88

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Solution

The fourth proportional to 2,788.57, 3,847.12 and 1,844.88 is: 2,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.57 : 3,847.12 = 1,844.88 : x
  2. Step 2: Convert to fraction form
    2,788.57/3,847.12 = 1,844.88/x
  3. Step 3: Cross multiply
    2,788.57x = 3,847.12 × 1,844.88
  4. Step 4: Simplify right side
    2,788.57x = 7,097,474.75
  5. Step 5: Solve for x
    x = 7,097,474.75/2,788.57
  6. Step 6: Final answer
    x = 2,545.20

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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.