Home / 1,724.22-2,580.86-1,137.85

Finding the Fourth Proportional to 1,724.22, 2,580.86 and 1,137.85

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Solution

The fourth proportional to 1,724.22, 2,580.86 and 1,137.85 is: 1,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.22 : 2,580.86 = 1,137.85 : x
  2. Step 2: Convert to fraction form
    1,724.22/2,580.86 = 1,137.85/x
  3. Step 3: Cross multiply
    1,724.22x = 2,580.86 × 1,137.85
  4. Step 4: Simplify right side
    1,724.22x = 2,936,627.94
  5. Step 5: Solve for x
    x = 2,936,627.94/1,724.22
  6. Step 6: Final answer
    x = 1,703.16

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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.