Home / 2,665.40-3,673.64-2,001.08

Finding the Fourth Proportional to 2,665.40, 3,673.64 and 2,001.08

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Solution

The fourth proportional to 2,665.40, 3,673.64 and 2,001.08 is: 2,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.40 : 3,673.64 = 2,001.08 : x
  2. Step 2: Convert to fraction form
    2,665.40/3,673.64 = 2,001.08/x
  3. Step 3: Cross multiply
    2,665.40x = 3,673.64 × 2,001.08
  4. Step 4: Simplify right side
    2,665.40x = 7,351,261.72
  5. Step 5: Solve for x
    x = 7,351,261.72/2,665.40
  6. Step 6: Final answer
    x = 2,758.04

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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.