Home / 2,035.90-2,809.39-1,249.95

Finding the Fourth Proportional to 2,035.90, 2,809.39 and 1,249.95

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Solution

The fourth proportional to 2,035.90, 2,809.39 and 1,249.95 is: 1,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.90 : 2,809.39 = 1,249.95 : x
  2. Step 2: Convert to fraction form
    2,035.90/2,809.39 = 1,249.95/x
  3. Step 3: Cross multiply
    2,035.90x = 2,809.39 × 1,249.95
  4. Step 4: Simplify right side
    2,035.90x = 3,511,590.78
  5. Step 5: Solve for x
    x = 3,511,590.78/2,035.90
  6. Step 6: Final answer
    x = 1,724.84

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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.