Home / 2,239.23-3,089.93-1,244.45

Finding the Fourth Proportional to 2,239.23, 3,089.93 and 1,244.45

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Solution

The fourth proportional to 2,239.23, 3,089.93 and 1,244.45 is: 1,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.23 : 3,089.93 = 1,244.45 : x
  2. Step 2: Convert to fraction form
    2,239.23/3,089.93 = 1,244.45/x
  3. Step 3: Cross multiply
    2,239.23x = 3,089.93 × 1,244.45
  4. Step 4: Simplify right side
    2,239.23x = 3,845,241.72
  5. Step 5: Solve for x
    x = 3,845,241.72/2,239.23
  6. Step 6: Final answer
    x = 1,717.22

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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.