Home / 2,438.02-3,334.79-2,399.86

Finding the Fourth Proportional to 2,438.02, 3,334.79 and 2,399.86

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Solution

The fourth proportional to 2,438.02, 3,334.79 and 2,399.86 is: 3,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.02 : 3,334.79 = 2,399.86 : x
  2. Step 2: Convert to fraction form
    2,438.02/3,334.79 = 2,399.86/x
  3. Step 3: Cross multiply
    2,438.02x = 3,334.79 × 2,399.86
  4. Step 4: Simplify right side
    2,438.02x = 8,003,029.13
  5. Step 5: Solve for x
    x = 8,003,029.13/2,438.02
  6. Step 6: Final answer
    x = 3,282.59

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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.