Home / 2,424.05-3,638.35-1,192.35

Finding the Fourth Proportional to 2,424.05, 3,638.35 and 1,192.35

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Solution

The fourth proportional to 2,424.05, 3,638.35 and 1,192.35 is: 1,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.05 : 3,638.35 = 1,192.35 : x
  2. Step 2: Convert to fraction form
    2,424.05/3,638.35 = 1,192.35/x
  3. Step 3: Cross multiply
    2,424.05x = 3,638.35 × 1,192.35
  4. Step 4: Simplify right side
    2,424.05x = 4,338,186.62
  5. Step 5: Solve for x
    x = 4,338,186.62/2,424.05
  6. Step 6: Final answer
    x = 1,789.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.