Home / 2,949.39-4,070.12-1,623.06

Finding the Fourth Proportional to 2,949.39, 4,070.12 and 1,623.06

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Solution

The fourth proportional to 2,949.39, 4,070.12 and 1,623.06 is: 2,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.39 : 4,070.12 = 1,623.06 : x
  2. Step 2: Convert to fraction form
    2,949.39/4,070.12 = 1,623.06/x
  3. Step 3: Cross multiply
    2,949.39x = 4,070.12 × 1,623.06
  4. Step 4: Simplify right side
    2,949.39x = 6,606,065.99
  5. Step 5: Solve for x
    x = 6,606,065.99/2,949.39
  6. Step 6: Final answer
    x = 2,239.81

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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.