Home / 3,602.27-5,403.41-2,781.74

Finding the Fourth Proportional to 3,602.27, 5,403.41 and 2,781.74

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Solution

The fourth proportional to 3,602.27, 5,403.41 and 2,781.74 is: 4,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.27 : 5,403.41 = 2,781.74 : x
  2. Step 2: Convert to fraction form
    3,602.27/5,403.41 = 2,781.74/x
  3. Step 3: Cross multiply
    3,602.27x = 5,403.41 × 2,781.74
  4. Step 4: Simplify right side
    3,602.27x = 15,030,867.82
  5. Step 5: Solve for x
    x = 15,030,867.82/3,602.27
  6. Step 6: Final answer
    x = 4,172.61

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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.