Home / 1,481.48-2,223.57-1,392.17

Finding the Fourth Proportional to 1,481.48, 2,223.57 and 1,392.17

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Solution

The fourth proportional to 1,481.48, 2,223.57 and 1,392.17 is: 2,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.48 : 2,223.57 = 1,392.17 : x
  2. Step 2: Convert to fraction form
    1,481.48/2,223.57 = 1,392.17/x
  3. Step 3: Cross multiply
    1,481.48x = 2,223.57 × 1,392.17
  4. Step 4: Simplify right side
    1,481.48x = 3,095,576.33
  5. Step 5: Solve for x
    x = 3,095,576.33/1,481.48
  6. Step 6: Final answer
    x = 2,089.52

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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.