Home / 3,777.20-5,211-2,726.96

Finding the Fourth Proportional to 3,777.20, 5,211 and 2,726.96

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Solution

The fourth proportional to 3,777.20, 5,211 and 2,726.96 is: 3,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.20 : 5,211 = 2,726.96 : x
  2. Step 2: Convert to fraction form
    3,777.20/5,211 = 2,726.96/x
  3. Step 3: Cross multiply
    3,777.20x = 5,211 × 2,726.96
  4. Step 4: Simplify right side
    3,777.20x = 14,210,188.56
  5. Step 5: Solve for x
    x = 14,210,188.56/3,777.20
  6. Step 6: Final answer
    x = 3,762.10

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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.