Home / 3,781.08-5,666.96-2,683.13

Finding the Fourth Proportional to 3,781.08, 5,666.96 and 2,683.13

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Solution

The fourth proportional to 3,781.08, 5,666.96 and 2,683.13 is: 4,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.08 : 5,666.96 = 2,683.13 : x
  2. Step 2: Convert to fraction form
    3,781.08/5,666.96 = 2,683.13/x
  3. Step 3: Cross multiply
    3,781.08x = 5,666.96 × 2,683.13
  4. Step 4: Simplify right side
    3,781.08x = 15,205,168.76
  5. Step 5: Solve for x
    x = 15,205,168.76/3,781.08
  6. Step 6: Final answer
    x = 4,021.38

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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.