Home / 3,627.79-5,440.53-2,239.05

Finding the Fourth Proportional to 3,627.79, 5,440.53 and 2,239.05

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Solution

The fourth proportional to 3,627.79, 5,440.53 and 2,239.05 is: 3,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.79 : 5,440.53 = 2,239.05 : x
  2. Step 2: Convert to fraction form
    3,627.79/5,440.53 = 2,239.05/x
  3. Step 3: Cross multiply
    3,627.79x = 5,440.53 × 2,239.05
  4. Step 4: Simplify right side
    3,627.79x = 12,181,618.70
  5. Step 5: Solve for x
    x = 12,181,618.70/3,627.79
  6. Step 6: Final answer
    x = 3,357.86

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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.