Home / 3,697.98-5,102.66-2,125.77

Finding the Fourth Proportional to 3,697.98, 5,102.66 and 2,125.77

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Solution

The fourth proportional to 3,697.98, 5,102.66 and 2,125.77 is: 2,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.98 : 5,102.66 = 2,125.77 : x
  2. Step 2: Convert to fraction form
    3,697.98/5,102.66 = 2,125.77/x
  3. Step 3: Cross multiply
    3,697.98x = 5,102.66 × 2,125.77
  4. Step 4: Simplify right side
    3,697.98x = 10,847,086.86
  5. Step 5: Solve for x
    x = 10,847,086.86/3,697.98
  6. Step 6: Final answer
    x = 2,933.25

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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.