Home / 2,942.30-4,400.49-1,706.51

Finding the Fourth Proportional to 2,942.30, 4,400.49 and 1,706.51

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Solution

The fourth proportional to 2,942.30, 4,400.49 and 1,706.51 is: 2,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.30 : 4,400.49 = 1,706.51 : x
  2. Step 2: Convert to fraction form
    2,942.30/4,400.49 = 1,706.51/x
  3. Step 3: Cross multiply
    2,942.30x = 4,400.49 × 1,706.51
  4. Step 4: Simplify right side
    2,942.30x = 7,509,480.19
  5. Step 5: Solve for x
    x = 7,509,480.19/2,942.30
  6. Step 6: Final answer
    x = 2,552.25

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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.