Home / 2,873.87-4,311.58-1,025.18

Finding the Fourth Proportional to 2,873.87, 4,311.58 and 1,025.18

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Solution

The fourth proportional to 2,873.87, 4,311.58 and 1,025.18 is: 1,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.87 : 4,311.58 = 1,025.18 : x
  2. Step 2: Convert to fraction form
    2,873.87/4,311.58 = 1,025.18/x
  3. Step 3: Cross multiply
    2,873.87x = 4,311.58 × 1,025.18
  4. Step 4: Simplify right side
    2,873.87x = 4,420,145.58
  5. Step 5: Solve for x
    x = 4,420,145.58/2,873.87
  6. Step 6: Final answer
    x = 1,538.05

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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.