Home / 2,947.63-4,421.96-1,192.56

Finding the Fourth Proportional to 2,947.63, 4,421.96 and 1,192.56

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Solution

The fourth proportional to 2,947.63, 4,421.96 and 1,192.56 is: 1,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.63 : 4,421.96 = 1,192.56 : x
  2. Step 2: Convert to fraction form
    2,947.63/4,421.96 = 1,192.56/x
  3. Step 3: Cross multiply
    2,947.63x = 4,421.96 × 1,192.56
  4. Step 4: Simplify right side
    2,947.63x = 5,273,446.65
  5. Step 5: Solve for x
    x = 5,273,446.65/2,947.63
  6. Step 6: Final answer
    x = 1,789.05

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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.