Home / 1,722.07-2,578.02-1,135.99

Finding the Fourth Proportional to 1,722.07, 2,578.02 and 1,135.99

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Solution

The fourth proportional to 1,722.07, 2,578.02 and 1,135.99 is: 1,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.07 : 2,578.02 = 1,135.99 : x
  2. Step 2: Convert to fraction form
    1,722.07/2,578.02 = 1,135.99/x
  3. Step 3: Cross multiply
    1,722.07x = 2,578.02 × 1,135.99
  4. Step 4: Simplify right side
    1,722.07x = 2,928,604.94
  5. Step 5: Solve for x
    x = 2,928,604.94/1,722.07
  6. Step 6: Final answer
    x = 1,700.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.