Home / 1,326.16-1,829.28-933.04

Finding the Fourth Proportional to 1,326.16, 1,829.28 and 933.04

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Solution

The fourth proportional to 1,326.16, 1,829.28 and 933.04 is: 1,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.16 : 1,829.28 = 933.04 : x
  2. Step 2: Convert to fraction form
    1,326.16/1,829.28 = 933.04/x
  3. Step 3: Cross multiply
    1,326.16x = 1,829.28 × 933.04
  4. Step 4: Simplify right side
    1,326.16x = 1,706,791.41
  5. Step 5: Solve for x
    x = 1,706,791.41/1,326.16
  6. Step 6: Final answer
    x = 1,287.02

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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.