Home / 2,186.53-3,279.08-1,365.02

Finding the Fourth Proportional to 2,186.53, 3,279.08 and 1,365.02

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Solution

The fourth proportional to 2,186.53, 3,279.08 and 1,365.02 is: 2,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.53 : 3,279.08 = 1,365.02 : x
  2. Step 2: Convert to fraction form
    2,186.53/3,279.08 = 1,365.02/x
  3. Step 3: Cross multiply
    2,186.53x = 3,279.08 × 1,365.02
  4. Step 4: Simplify right side
    2,186.53x = 4,476,009.10
  5. Step 5: Solve for x
    x = 4,476,009.10/2,186.53
  6. Step 6: Final answer
    x = 2,047.09

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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.