Home / 2,904.03-4,011.21-1,961.58

Finding the Fourth Proportional to 2,904.03, 4,011.21 and 1,961.58

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Solution

The fourth proportional to 2,904.03, 4,011.21 and 1,961.58 is: 2,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.03 : 4,011.21 = 1,961.58 : x
  2. Step 2: Convert to fraction form
    2,904.03/4,011.21 = 1,961.58/x
  3. Step 3: Cross multiply
    2,904.03x = 4,011.21 × 1,961.58
  4. Step 4: Simplify right side
    2,904.03x = 7,868,309.31
  5. Step 5: Solve for x
    x = 7,868,309.31/2,904.03
  6. Step 6: Final answer
    x = 2,709.44

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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.