Home / 3,390.42-5,088.07-1,199.15

Finding the Fourth Proportional to 3,390.42, 5,088.07 and 1,199.15

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Solution

The fourth proportional to 3,390.42, 5,088.07 and 1,199.15 is: 1,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.42 : 5,088.07 = 1,199.15 : x
  2. Step 2: Convert to fraction form
    3,390.42/5,088.07 = 1,199.15/x
  3. Step 3: Cross multiply
    3,390.42x = 5,088.07 × 1,199.15
  4. Step 4: Simplify right side
    3,390.42x = 6,101,359.14
  5. Step 5: Solve for x
    x = 6,101,359.14/3,390.42
  6. Step 6: Final answer
    x = 1,799.59

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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.