Home / 1,032.21-1,424.16-612.36

Finding the Fourth Proportional to 1,032.21, 1,424.16 and 612.36

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Solution

The fourth proportional to 1,032.21, 1,424.16 and 612.36 is: 844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.21 : 1,424.16 = 612.36 : x
  2. Step 2: Convert to fraction form
    1,032.21/1,424.16 = 612.36/x
  3. Step 3: Cross multiply
    1,032.21x = 1,424.16 × 612.36
  4. Step 4: Simplify right side
    1,032.21x = 872,098.62
  5. Step 5: Solve for x
    x = 872,098.62/1,032.21
  6. Step 6: Final answer
    x = 844.88

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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.