Home / 2,904.45-4,005.67-1,960.09

Finding the Fourth Proportional to 2,904.45, 4,005.67 and 1,960.09

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Solution

The fourth proportional to 2,904.45, 4,005.67 and 1,960.09 is: 2,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.45 : 4,005.67 = 1,960.09 : x
  2. Step 2: Convert to fraction form
    2,904.45/4,005.67 = 1,960.09/x
  3. Step 3: Cross multiply
    2,904.45x = 4,005.67 × 1,960.09
  4. Step 4: Simplify right side
    2,904.45x = 7,851,458.80
  5. Step 5: Solve for x
    x = 7,851,458.80/2,904.45
  6. Step 6: Final answer
    x = 2,703.25

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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.