Home / 2,188.66-3,020.27-1,244.49

Finding the Fourth Proportional to 2,188.66, 3,020.27 and 1,244.49

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Solution

The fourth proportional to 2,188.66, 3,020.27 and 1,244.49 is: 1,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.66 : 3,020.27 = 1,244.49 : x
  2. Step 2: Convert to fraction form
    2,188.66/3,020.27 = 1,244.49/x
  3. Step 3: Cross multiply
    2,188.66x = 3,020.27 × 1,244.49
  4. Step 4: Simplify right side
    2,188.66x = 3,758,674.49
  5. Step 5: Solve for x
    x = 3,758,674.49/2,188.66
  6. Step 6: Final answer
    x = 1,717.34

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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.