Home / 2,799.53-4,199.56-1,239.33

Finding the Fourth Proportional to 2,799.53, 4,199.56 and 1,239.33

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Solution

The fourth proportional to 2,799.53, 4,199.56 and 1,239.33 is: 1,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.53 : 4,199.56 = 1,239.33 : x
  2. Step 2: Convert to fraction form
    2,799.53/4,199.56 = 1,239.33/x
  3. Step 3: Cross multiply
    2,799.53x = 4,199.56 × 1,239.33
  4. Step 4: Simplify right side
    2,799.53x = 5,204,640.69
  5. Step 5: Solve for x
    x = 5,204,640.69/2,799.53
  6. Step 6: Final answer
    x = 1,859.11

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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.