Home / 3,639.11-5,018-2,458.13

Finding the Fourth Proportional to 3,639.11, 5,018 and 2,458.13

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Solution

The fourth proportional to 3,639.11, 5,018 and 2,458.13 is: 3,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.11 : 5,018 = 2,458.13 : x
  2. Step 2: Convert to fraction form
    3,639.11/5,018 = 2,458.13/x
  3. Step 3: Cross multiply
    3,639.11x = 5,018 × 2,458.13
  4. Step 4: Simplify right side
    3,639.11x = 12,334,896.34
  5. Step 5: Solve for x
    x = 12,334,896.34/3,639.11
  6. Step 6: Final answer
    x = 3,389.54

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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.