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Finding the Fourth Proportional to 2,873.06, 4,309.51 and 793.19

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Solution

The fourth proportional to 2,873.06, 4,309.51 and 793.19 is: 1,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.06 : 4,309.51 = 793.19 : x
  2. Step 2: Convert to fraction form
    2,873.06/4,309.51 = 793.19/x
  3. Step 3: Cross multiply
    2,873.06x = 4,309.51 × 793.19
  4. Step 4: Simplify right side
    2,873.06x = 3,418,278.35
  5. Step 5: Solve for x
    x = 3,418,278.35/2,873.06
  6. Step 6: Final answer
    x = 1,189.77

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1.5x scale

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.