Home / 3,073.66-4,243.31-1,878.92

Finding the Fourth Proportional to 3,073.66, 4,243.31 and 1,878.92

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Solution

The fourth proportional to 3,073.66, 4,243.31 and 1,878.92 is: 2,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.66 : 4,243.31 = 1,878.92 : x
  2. Step 2: Convert to fraction form
    3,073.66/4,243.31 = 1,878.92/x
  3. Step 3: Cross multiply
    3,073.66x = 4,243.31 × 1,878.92
  4. Step 4: Simplify right side
    3,073.66x = 7,972,809.41
  5. Step 5: Solve for x
    x = 7,972,809.41/3,073.66
  6. Step 6: Final answer
    x = 2,593.92

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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.