Home / 3,577.30-5,361.78-2,117.68

Finding the Fourth Proportional to 3,577.30, 5,361.78 and 2,117.68

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Solution

The fourth proportional to 3,577.30, 5,361.78 and 2,117.68 is: 3,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.30 : 5,361.78 = 2,117.68 : x
  2. Step 2: Convert to fraction form
    3,577.30/5,361.78 = 2,117.68/x
  3. Step 3: Cross multiply
    3,577.30x = 5,361.78 × 2,117.68
  4. Step 4: Simplify right side
    3,577.30x = 11,354,534.27
  5. Step 5: Solve for x
    x = 11,354,534.27/3,577.30
  6. Step 6: Final answer
    x = 3,174.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.