Home / 2,189.17-3,020.36-1,244.91

Finding the Fourth Proportional to 2,189.17, 3,020.36 and 1,244.91

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Solution

The fourth proportional to 2,189.17, 3,020.36 and 1,244.91 is: 1,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.17 : 3,020.36 = 1,244.91 : x
  2. Step 2: Convert to fraction form
    2,189.17/3,020.36 = 1,244.91/x
  3. Step 3: Cross multiply
    2,189.17x = 3,020.36 × 1,244.91
  4. Step 4: Simplify right side
    2,189.17x = 3,760,055.04
  5. Step 5: Solve for x
    x = 3,760,055.04/2,189.17
  6. Step 6: Final answer
    x = 1,717.57

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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.