Home / 2,823.80-4,235.73-1,343.18

Finding the Fourth Proportional to 2,823.80, 4,235.73 and 1,343.18

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Solution

The fourth proportional to 2,823.80, 4,235.73 and 1,343.18 is: 2,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.80 : 4,235.73 = 1,343.18 : x
  2. Step 2: Convert to fraction form
    2,823.80/4,235.73 = 1,343.18/x
  3. Step 3: Cross multiply
    2,823.80x = 4,235.73 × 1,343.18
  4. Step 4: Simplify right side
    2,823.80x = 5,689,347.82
  5. Step 5: Solve for x
    x = 5,689,347.82/2,823.80
  6. Step 6: Final answer
    x = 2,014.78

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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.