Home / 3,301.30-4,952.51-1,221.31

Finding the Fourth Proportional to 3,301.30, 4,952.51 and 1,221.31

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Solution

The fourth proportional to 3,301.30, 4,952.51 and 1,221.31 is: 1,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.30 : 4,952.51 = 1,221.31 : x
  2. Step 2: Convert to fraction form
    3,301.30/4,952.51 = 1,221.31/x
  3. Step 3: Cross multiply
    3,301.30x = 4,952.51 × 1,221.31
  4. Step 4: Simplify right side
    3,301.30x = 6,048,549.99
  5. Step 5: Solve for x
    x = 6,048,549.99/3,301.30
  6. Step 6: Final answer
    x = 1,832.17

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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.