Home / 3,808.80-5,273.64-3,614.40

Finding the Fourth Proportional to 3,808.80, 5,273.64 and 3,614.40

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Solution

The fourth proportional to 3,808.80, 5,273.64 and 3,614.40 is: 5,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.80 : 5,273.64 = 3,614.40 : x
  2. Step 2: Convert to fraction form
    3,808.80/5,273.64 = 3,614.40/x
  3. Step 3: Cross multiply
    3,808.80x = 5,273.64 × 3,614.40
  4. Step 4: Simplify right side
    3,808.80x = 19,061,044.42
  5. Step 5: Solve for x
    x = 19,061,044.42/3,808.80
  6. Step 6: Final answer
    x = 5,004.48

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1.5x scale

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.