Home / 2,195.84-3,030.54-1,251.66

Finding the Fourth Proportional to 2,195.84, 3,030.54 and 1,251.66

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Solution

The fourth proportional to 2,195.84, 3,030.54 and 1,251.66 is: 1,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.84 : 3,030.54 = 1,251.66 : x
  2. Step 2: Convert to fraction form
    2,195.84/3,030.54 = 1,251.66/x
  3. Step 3: Cross multiply
    2,195.84x = 3,030.54 × 1,251.66
  4. Step 4: Simplify right side
    2,195.84x = 3,793,205.70
  5. Step 5: Solve for x
    x = 3,793,205.70/2,195.84
  6. Step 6: Final answer
    x = 1,727.45

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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.