Home / 3,402.05-5,101.79-1,180.32

Finding the Fourth Proportional to 3,402.05, 5,101.79 and 1,180.32

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Solution

The fourth proportional to 3,402.05, 5,101.79 and 1,180.32 is: 1,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.05 : 5,101.79 = 1,180.32 : x
  2. Step 2: Convert to fraction form
    3,402.05/5,101.79 = 1,180.32/x
  3. Step 3: Cross multiply
    3,402.05x = 5,101.79 × 1,180.32
  4. Step 4: Simplify right side
    3,402.05x = 6,021,719.74
  5. Step 5: Solve for x
    x = 6,021,719.74/3,402.05
  6. Step 6: Final answer
    x = 1,770.03

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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.