Home / 2,238.72-3,089.63-1,244.20

Finding the Fourth Proportional to 2,238.72, 3,089.63 and 1,244.20

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Solution

The fourth proportional to 2,238.72, 3,089.63 and 1,244.20 is: 1,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.72 : 3,089.63 = 1,244.20 : x
  2. Step 2: Convert to fraction form
    2,238.72/3,089.63 = 1,244.20/x
  3. Step 3: Cross multiply
    2,238.72x = 3,089.63 × 1,244.20
  4. Step 4: Simplify right side
    2,238.72x = 3,844,117.65
  5. Step 5: Solve for x
    x = 3,844,117.65/2,238.72
  6. Step 6: Final answer
    x = 1,717.11

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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.