Home / 3,725.50-5,589.78-1,644.40

Finding the Fourth Proportional to 3,725.50, 5,589.78 and 1,644.40

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Solution

The fourth proportional to 3,725.50, 5,589.78 and 1,644.40 is: 2,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.50 : 5,589.78 = 1,644.40 : x
  2. Step 2: Convert to fraction form
    3,725.50/5,589.78 = 1,644.40/x
  3. Step 3: Cross multiply
    3,725.50x = 5,589.78 × 1,644.40
  4. Step 4: Simplify right side
    3,725.50x = 9,191,834.23
  5. Step 5: Solve for x
    x = 9,191,834.23/3,725.50
  6. Step 6: Final answer
    x = 2,467.28

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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.