Home / 3,005.43-4,146.62-2,342.31

Finding the Fourth Proportional to 3,005.43, 4,146.62 and 2,342.31

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Solution

The fourth proportional to 3,005.43, 4,146.62 and 2,342.31 is: 3,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.43 : 4,146.62 = 2,342.31 : x
  2. Step 2: Convert to fraction form
    3,005.43/4,146.62 = 2,342.31/x
  3. Step 3: Cross multiply
    3,005.43x = 4,146.62 × 2,342.31
  4. Step 4: Simplify right side
    3,005.43x = 9,712,669.49
  5. Step 5: Solve for x
    x = 9,712,669.49/3,005.43
  6. Step 6: Final answer
    x = 3,231.71

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1.5x scale

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.