Home / 3,728.42-5,594.97-1,780.64

Finding the Fourth Proportional to 3,728.42, 5,594.97 and 1,780.64

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Solution

The fourth proportional to 3,728.42, 5,594.97 and 1,780.64 is: 2,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.42 : 5,594.97 = 1,780.64 : x
  2. Step 2: Convert to fraction form
    3,728.42/5,594.97 = 1,780.64/x
  3. Step 3: Cross multiply
    3,728.42x = 5,594.97 × 1,780.64
  4. Step 4: Simplify right side
    3,728.42x = 9,962,627.38
  5. Step 5: Solve for x
    x = 9,962,627.38/3,728.42
  6. Step 6: Final answer
    x = 2,672.08

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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.