Home / 2,943.55-4,062.80-1,685.33

Finding the Fourth Proportional to 2,943.55, 4,062.80 and 1,685.33

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Solution

The fourth proportional to 2,943.55, 4,062.80 and 1,685.33 is: 2,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.55 : 4,062.80 = 1,685.33 : x
  2. Step 2: Convert to fraction form
    2,943.55/4,062.80 = 1,685.33/x
  3. Step 3: Cross multiply
    2,943.55x = 4,062.80 × 1,685.33
  4. Step 4: Simplify right side
    2,943.55x = 6,847,150.30
  5. Step 5: Solve for x
    x = 6,847,150.30/2,943.55
  6. Step 6: Final answer
    x = 2,326.16

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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.