Home / 2,873.18-3,964.14-1,739.39

Finding the Fourth Proportional to 2,873.18, 3,964.14 and 1,739.39

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Solution

The fourth proportional to 2,873.18, 3,964.14 and 1,739.39 is: 2,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.18 : 3,964.14 = 1,739.39 : x
  2. Step 2: Convert to fraction form
    2,873.18/3,964.14 = 1,739.39/x
  3. Step 3: Cross multiply
    2,873.18x = 3,964.14 × 1,739.39
  4. Step 4: Simplify right side
    2,873.18x = 6,895,165.65
  5. Step 5: Solve for x
    x = 6,895,165.65/2,873.18
  6. Step 6: Final answer
    x = 2,399.84

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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.