Home / 4,069.42-5,617.13-2,390.78

Finding the Fourth Proportional to 4,069.42, 5,617.13 and 2,390.78

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Solution

The fourth proportional to 4,069.42, 5,617.13 and 2,390.78 is: 3,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.42 : 5,617.13 = 2,390.78 : x
  2. Step 2: Convert to fraction form
    4,069.42/5,617.13 = 2,390.78/x
  3. Step 3: Cross multiply
    4,069.42x = 5,617.13 × 2,390.78
  4. Step 4: Simplify right side
    4,069.42x = 13,429,324.15
  5. Step 5: Solve for x
    x = 13,429,324.15/4,069.42
  6. Step 6: Final answer
    x = 3,300.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.