Home / 2,020.97-2,788.43-1,549.35

Finding the Fourth Proportional to 2,020.97, 2,788.43 and 1,549.35

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Solution

The fourth proportional to 2,020.97, 2,788.43 and 1,549.35 is: 2,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.97 : 2,788.43 = 1,549.35 : x
  2. Step 2: Convert to fraction form
    2,020.97/2,788.43 = 1,549.35/x
  3. Step 3: Cross multiply
    2,020.97x = 2,788.43 × 1,549.35
  4. Step 4: Simplify right side
    2,020.97x = 4,320,246.27
  5. Step 5: Solve for x
    x = 4,320,246.27/2,020.97
  6. Step 6: Final answer
    x = 2,137.71

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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.