Home / 2,195.94-3,030.41-1,251.59

Finding the Fourth Proportional to 2,195.94, 3,030.41 and 1,251.59

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Solution

The fourth proportional to 2,195.94, 3,030.41 and 1,251.59 is: 1,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.94 : 3,030.41 = 1,251.59 : x
  2. Step 2: Convert to fraction form
    2,195.94/3,030.41 = 1,251.59/x
  3. Step 3: Cross multiply
    2,195.94x = 3,030.41 × 1,251.59
  4. Step 4: Simplify right side
    2,195.94x = 3,792,818.83
  5. Step 5: Solve for x
    x = 3,792,818.83/2,195.94
  6. Step 6: Final answer
    x = 1,727.19

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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.