Home / 2,943.24-4,062.05-1,684.50

Finding the Fourth Proportional to 2,943.24, 4,062.05 and 1,684.50

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Solution

The fourth proportional to 2,943.24, 4,062.05 and 1,684.50 is: 2,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.24 : 4,062.05 = 1,684.50 : x
  2. Step 2: Convert to fraction form
    2,943.24/4,062.05 = 1,684.50/x
  3. Step 3: Cross multiply
    2,943.24x = 4,062.05 × 1,684.50
  4. Step 4: Simplify right side
    2,943.24x = 6,842,505.89
  5. Step 5: Solve for x
    x = 6,842,505.89/2,943.24
  6. Step 6: Final answer
    x = 2,324.82

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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.