Home / 3,868.12-5,796.60-2,406.40

Finding the Fourth Proportional to 3,868.12, 5,796.60 and 2,406.40

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Solution

The fourth proportional to 3,868.12, 5,796.60 and 2,406.40 is: 3,606.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.12 : 5,796.60 = 2,406.40 : x
  2. Step 2: Convert to fraction form
    3,868.12/5,796.60 = 2,406.40/x
  3. Step 3: Cross multiply
    3,868.12x = 5,796.60 × 2,406.40
  4. Step 4: Simplify right side
    3,868.12x = 13,948,938.24
  5. Step 5: Solve for x
    x = 13,948,938.24/3,868.12
  6. Step 6: Final answer
    x = 3,606.13

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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.