Home / 3,643.16-5,025.66-2,399

Finding the Fourth Proportional to 3,643.16, 5,025.66 and 2,399

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Solution

The fourth proportional to 3,643.16, 5,025.66 and 2,399 is: 3,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.16 : 5,025.66 = 2,399 : x
  2. Step 2: Convert to fraction form
    3,643.16/5,025.66 = 2,399/x
  3. Step 3: Cross multiply
    3,643.16x = 5,025.66 × 2,399
  4. Step 4: Simplify right side
    3,643.16x = 12,056,558.34
  5. Step 5: Solve for x
    x = 12,056,558.34/3,643.16
  6. Step 6: Final answer
    x = 3,309.37

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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.