Home / 3,721.86-5,110.80-3,328.74

Finding the Fourth Proportional to 3,721.86, 5,110.80 and 3,328.74

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Solution

The fourth proportional to 3,721.86, 5,110.80 and 3,328.74 is: 4,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.86 : 5,110.80 = 3,328.74 : x
  2. Step 2: Convert to fraction form
    3,721.86/5,110.80 = 3,328.74/x
  3. Step 3: Cross multiply
    3,721.86x = 5,110.80 × 3,328.74
  4. Step 4: Simplify right side
    3,721.86x = 17,012,524.39
  5. Step 5: Solve for x
    x = 17,012,524.39/3,721.86
  6. Step 6: Final answer
    x = 4,570.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.