Home / 2,210.19-3,049.97-1,215.42

Finding the Fourth Proportional to 2,210.19, 3,049.97 and 1,215.42

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Solution

The fourth proportional to 2,210.19, 3,049.97 and 1,215.42 is: 1,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.19 : 3,049.97 = 1,215.42 : x
  2. Step 2: Convert to fraction form
    2,210.19/3,049.97 = 1,215.42/x
  3. Step 3: Cross multiply
    2,210.19x = 3,049.97 × 1,215.42
  4. Step 4: Simplify right side
    2,210.19x = 3,706,994.54
  5. Step 5: Solve for x
    x = 3,706,994.54/2,210.19
  6. Step 6: Final answer
    x = 1,677.23

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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.