Home / 3,578.73-4,938.48-2,006.97

Finding the Fourth Proportional to 3,578.73, 4,938.48 and 2,006.97

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Solution

The fourth proportional to 3,578.73, 4,938.48 and 2,006.97 is: 2,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.73 : 4,938.48 = 2,006.97 : x
  2. Step 2: Convert to fraction form
    3,578.73/4,938.48 = 2,006.97/x
  3. Step 3: Cross multiply
    3,578.73x = 4,938.48 × 2,006.97
  4. Step 4: Simplify right side
    3,578.73x = 9,911,381.21
  5. Step 5: Solve for x
    x = 9,911,381.21/3,578.73
  6. Step 6: Final answer
    x = 2,769.52

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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.