Home / 2,074.98-3,126.78-1,717.80

Finding the Fourth Proportional to 2,074.98, 3,126.78 and 1,717.80

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Solution

The fourth proportional to 2,074.98, 3,126.78 and 1,717.80 is: 2,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.98 : 3,126.78 = 1,717.80 : x
  2. Step 2: Convert to fraction form
    2,074.98/3,126.78 = 1,717.80/x
  3. Step 3: Cross multiply
    2,074.98x = 3,126.78 × 1,717.80
  4. Step 4: Simplify right side
    2,074.98x = 5,371,182.68
  5. Step 5: Solve for x
    x = 5,371,182.68/2,074.98
  6. Step 6: Final answer
    x = 2,588.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.