Home / 2,185.02-3,277.19-724.19

Finding the Fourth Proportional to 2,185.02, 3,277.19 and 724.19

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Solution

The fourth proportional to 2,185.02, 3,277.19 and 724.19 is: 1,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.02 : 3,277.19 = 724.19 : x
  2. Step 2: Convert to fraction form
    2,185.02/3,277.19 = 724.19/x
  3. Step 3: Cross multiply
    2,185.02x = 3,277.19 × 724.19
  4. Step 4: Simplify right side
    2,185.02x = 2,373,293.65
  5. Step 5: Solve for x
    x = 2,373,293.65/2,185.02
  6. Step 6: Final answer
    x = 1,086.17

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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.