Home / 2,427.39-3,638.81-888.03

Finding the Fourth Proportional to 2,427.39, 3,638.81 and 888.03

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Solution

The fourth proportional to 2,427.39, 3,638.81 and 888.03 is: 1,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.39 : 3,638.81 = 888.03 : x
  2. Step 2: Convert to fraction form
    2,427.39/3,638.81 = 888.03/x
  3. Step 3: Cross multiply
    2,427.39x = 3,638.81 × 888.03
  4. Step 4: Simplify right side
    2,427.39x = 3,231,368.00
  5. Step 5: Solve for x
    x = 3,231,368.00/2,427.39
  6. Step 6: Final answer
    x = 1,331.21

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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.