Home / 2,949.29-4,070.09-1,623.03

Finding the Fourth Proportional to 2,949.29, 4,070.09 and 1,623.03

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Solution

The fourth proportional to 2,949.29, 4,070.09 and 1,623.03 is: 2,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.29 : 4,070.09 = 1,623.03 : x
  2. Step 2: Convert to fraction form
    2,949.29/4,070.09 = 1,623.03/x
  3. Step 3: Cross multiply
    2,949.29x = 4,070.09 × 1,623.03
  4. Step 4: Simplify right side
    2,949.29x = 6,605,882.23
  5. Step 5: Solve for x
    x = 6,605,882.23/2,949.29
  6. Step 6: Final answer
    x = 2,239.82

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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.