Home / 1,324.32-1,828.47-801.26

Finding the Fourth Proportional to 1,324.32, 1,828.47 and 801.26

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Solution

The fourth proportional to 1,324.32, 1,828.47 and 801.26 is: 1,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.32 : 1,828.47 = 801.26 : x
  2. Step 2: Convert to fraction form
    1,324.32/1,828.47 = 801.26/x
  3. Step 3: Cross multiply
    1,324.32x = 1,828.47 × 801.26
  4. Step 4: Simplify right side
    1,324.32x = 1,465,070.73
  5. Step 5: Solve for x
    x = 1,465,070.73/1,324.32
  6. Step 6: Final answer
    x = 1,106.28

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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.