Home / 3,622.71-5,435.92-1,725.18

Finding the Fourth Proportional to 3,622.71, 5,435.92 and 1,725.18

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Solution

The fourth proportional to 3,622.71, 5,435.92 and 1,725.18 is: 2,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.71 : 5,435.92 = 1,725.18 : x
  2. Step 2: Convert to fraction form
    3,622.71/5,435.92 = 1,725.18/x
  3. Step 3: Cross multiply
    3,622.71x = 5,435.92 × 1,725.18
  4. Step 4: Simplify right side
    3,622.71x = 9,377,940.47
  5. Step 5: Solve for x
    x = 9,377,940.47/3,622.71
  6. Step 6: Final answer
    x = 2,588.65

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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.