Home / 3,808.40-5,249.32-2,549.02

Finding the Fourth Proportional to 3,808.40, 5,249.32 and 2,549.02

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Solution

The fourth proportional to 3,808.40, 5,249.32 and 2,549.02 is: 3,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.40 : 5,249.32 = 2,549.02 : x
  2. Step 2: Convert to fraction form
    3,808.40/5,249.32 = 2,549.02/x
  3. Step 3: Cross multiply
    3,808.40x = 5,249.32 × 2,549.02
  4. Step 4: Simplify right side
    3,808.40x = 13,380,621.67
  5. Step 5: Solve for x
    x = 13,380,621.67/3,808.40
  6. Step 6: Final answer
    x = 3,513.45

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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.