Home / 3,086.40-4,625.01-2,428.95

Finding the Fourth Proportional to 3,086.40, 4,625.01 and 2,428.95

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Solution

The fourth proportional to 3,086.40, 4,625.01 and 2,428.95 is: 3,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.40 : 4,625.01 = 2,428.95 : x
  2. Step 2: Convert to fraction form
    3,086.40/4,625.01 = 2,428.95/x
  3. Step 3: Cross multiply
    3,086.40x = 4,625.01 × 2,428.95
  4. Step 4: Simplify right side
    3,086.40x = 11,233,918.04
  5. Step 5: Solve for x
    x = 11,233,918.04/3,086.40
  6. Step 6: Final answer
    x = 3,639.81

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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.