Home / 2,888.20-4,331.91-808.03

Finding the Fourth Proportional to 2,888.20, 4,331.91 and 808.03

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Solution

The fourth proportional to 2,888.20, 4,331.91 and 808.03 is: 1,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.20 : 4,331.91 = 808.03 : x
  2. Step 2: Convert to fraction form
    2,888.20/4,331.91 = 808.03/x
  3. Step 3: Cross multiply
    2,888.20x = 4,331.91 × 808.03
  4. Step 4: Simplify right side
    2,888.20x = 3,500,313.24
  5. Step 5: Solve for x
    x = 3,500,313.24/2,888.20
  6. Step 6: Final answer
    x = 1,211.94

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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.