Home / 3,659.86-5,050.60-1,981.26

Finding the Fourth Proportional to 3,659.86, 5,050.60 and 1,981.26

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Solution

The fourth proportional to 3,659.86, 5,050.60 and 1,981.26 is: 2,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.86 : 5,050.60 = 1,981.26 : x
  2. Step 2: Convert to fraction form
    3,659.86/5,050.60 = 1,981.26/x
  3. Step 3: Cross multiply
    3,659.86x = 5,050.60 × 1,981.26
  4. Step 4: Simplify right side
    3,659.86x = 10,006,551.76
  5. Step 5: Solve for x
    x = 10,006,551.76/3,659.86
  6. Step 6: Final answer
    x = 2,734.14

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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.