Home / 2,185.09-3,277.65-886.25

Finding the Fourth Proportional to 2,185.09, 3,277.65 and 886.25

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Solution

The fourth proportional to 2,185.09, 3,277.65 and 886.25 is: 1,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.09 : 3,277.65 = 886.25 : x
  2. Step 2: Convert to fraction form
    2,185.09/3,277.65 = 886.25/x
  3. Step 3: Cross multiply
    2,185.09x = 3,277.65 × 886.25
  4. Step 4: Simplify right side
    2,185.09x = 2,904,817.31
  5. Step 5: Solve for x
    x = 2,904,817.31/2,185.09
  6. Step 6: Final answer
    x = 1,329.38

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.