Home / 3,664.41-5,487.38-2,428.08

Finding the Fourth Proportional to 3,664.41, 5,487.38 and 2,428.08

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Solution

The fourth proportional to 3,664.41, 5,487.38 and 2,428.08 is: 3,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.41 : 5,487.38 = 2,428.08 : x
  2. Step 2: Convert to fraction form
    3,664.41/5,487.38 = 2,428.08/x
  3. Step 3: Cross multiply
    3,664.41x = 5,487.38 × 2,428.08
  4. Step 4: Simplify right side
    3,664.41x = 13,323,785.49
  5. Step 5: Solve for x
    x = 13,323,785.49/3,664.41
  6. Step 6: Final answer
    x = 3,636.00

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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.