Home / 3,777.42-5,209.38-2,500.76

Finding the Fourth Proportional to 3,777.42, 5,209.38 and 2,500.76

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Solution

The fourth proportional to 3,777.42, 5,209.38 and 2,500.76 is: 3,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.42 : 5,209.38 = 2,500.76 : x
  2. Step 2: Convert to fraction form
    3,777.42/5,209.38 = 2,500.76/x
  3. Step 3: Cross multiply
    3,777.42x = 5,209.38 × 2,500.76
  4. Step 4: Simplify right side
    3,777.42x = 13,027,409.13
  5. Step 5: Solve for x
    x = 13,027,409.13/3,777.42
  6. Step 6: Final answer
    x = 3,448.76

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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.