Home / 2,078.24-2,870.44-1,517.80

Finding the Fourth Proportional to 2,078.24, 2,870.44 and 1,517.80

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Solution

The fourth proportional to 2,078.24, 2,870.44 and 1,517.80 is: 2,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.24 : 2,870.44 = 1,517.80 : x
  2. Step 2: Convert to fraction form
    2,078.24/2,870.44 = 1,517.80/x
  3. Step 3: Cross multiply
    2,078.24x = 2,870.44 × 1,517.80
  4. Step 4: Simplify right side
    2,078.24x = 4,356,753.83
  5. Step 5: Solve for x
    x = 4,356,753.83/2,078.24
  6. Step 6: Final answer
    x = 2,096.37

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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.