Home / 2,239.13-3,089.85-1,244.45

Finding the Fourth Proportional to 2,239.13, 3,089.85 and 1,244.45

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Solution

The fourth proportional to 2,239.13, 3,089.85 and 1,244.45 is: 1,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.13 : 3,089.85 = 1,244.45 : x
  2. Step 2: Convert to fraction form
    2,239.13/3,089.85 = 1,244.45/x
  3. Step 3: Cross multiply
    2,239.13x = 3,089.85 × 1,244.45
  4. Step 4: Simplify right side
    2,239.13x = 3,845,163.83
  5. Step 5: Solve for x
    x = 3,845,163.83/2,239.13
  6. Step 6: Final answer
    x = 1,717.26

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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.