Home / 3,424.02-5,134.68-1,865.31

Finding the Fourth Proportional to 3,424.02, 5,134.68 and 1,865.31

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Solution

The fourth proportional to 3,424.02, 5,134.68 and 1,865.31 is: 2,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.02 : 5,134.68 = 1,865.31 : x
  2. Step 2: Convert to fraction form
    3,424.02/5,134.68 = 1,865.31/x
  3. Step 3: Cross multiply
    3,424.02x = 5,134.68 × 1,865.31
  4. Step 4: Simplify right side
    3,424.02x = 9,577,769.95
  5. Step 5: Solve for x
    x = 9,577,769.95/3,424.02
  6. Step 6: Final answer
    x = 2,797.23

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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.