Home / 3,621.71-5,434.42-1,724.18

Finding the Fourth Proportional to 3,621.71, 5,434.42 and 1,724.18

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Solution

The fourth proportional to 3,621.71, 5,434.42 and 1,724.18 is: 2,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.71 : 5,434.42 = 1,724.18 : x
  2. Step 2: Convert to fraction form
    3,621.71/5,434.42 = 1,724.18/x
  3. Step 3: Cross multiply
    3,621.71x = 5,434.42 × 1,724.18
  4. Step 4: Simplify right side
    3,621.71x = 9,369,914.88
  5. Step 5: Solve for x
    x = 9,369,914.88/3,621.71
  6. Step 6: Final answer
    x = 2,587.15

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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.