Home / 3,380.32-5,070.40-1,189.04

Finding the Fourth Proportional to 3,380.32, 5,070.40 and 1,189.04

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Solution

The fourth proportional to 3,380.32, 5,070.40 and 1,189.04 is: 1,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.32 : 5,070.40 = 1,189.04 : x
  2. Step 2: Convert to fraction form
    3,380.32/5,070.40 = 1,189.04/x
  3. Step 3: Cross multiply
    3,380.32x = 5,070.40 × 1,189.04
  4. Step 4: Simplify right side
    3,380.32x = 6,028,908.42
  5. Step 5: Solve for x
    x = 6,028,908.42/3,380.32
  6. Step 6: Final answer
    x = 1,783.53

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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.