Home / 2,039.07-2,810.85-1,251.75

Finding the Fourth Proportional to 2,039.07, 2,810.85 and 1,251.75

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Solution

The fourth proportional to 2,039.07, 2,810.85 and 1,251.75 is: 1,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.07 : 2,810.85 = 1,251.75 : x
  2. Step 2: Convert to fraction form
    2,039.07/2,810.85 = 1,251.75/x
  3. Step 3: Cross multiply
    2,039.07x = 2,810.85 × 1,251.75
  4. Step 4: Simplify right side
    2,039.07x = 3,518,481.49
  5. Step 5: Solve for x
    x = 3,518,481.49/2,039.07
  6. Step 6: Final answer
    x = 1,725.53

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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.