Home / 1,326.12-1,829.61-801.96

Finding the Fourth Proportional to 1,326.12, 1,829.61 and 801.96

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Solution

The fourth proportional to 1,326.12, 1,829.61 and 801.96 is: 1,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.12 : 1,829.61 = 801.96 : x
  2. Step 2: Convert to fraction form
    1,326.12/1,829.61 = 801.96/x
  3. Step 3: Cross multiply
    1,326.12x = 1,829.61 × 801.96
  4. Step 4: Simplify right side
    1,326.12x = 1,467,274.04
  5. Step 5: Solve for x
    x = 1,467,274.04/1,326.12
  6. Step 6: Final answer
    x = 1,106.44

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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.