Home / 2,949.80-4,070.79-1,623.53

Finding the Fourth Proportional to 2,949.80, 4,070.79 and 1,623.53

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Solution

The fourth proportional to 2,949.80, 4,070.79 and 1,623.53 is: 2,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.80 : 4,070.79 = 1,623.53 : x
  2. Step 2: Convert to fraction form
    2,949.80/4,070.79 = 1,623.53/x
  3. Step 3: Cross multiply
    2,949.80x = 4,070.79 × 1,623.53
  4. Step 4: Simplify right side
    2,949.80x = 6,609,041.57
  5. Step 5: Solve for x
    x = 6,609,041.57/2,949.80
  6. Step 6: Final answer
    x = 2,240.51

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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.