Home / 3,381.32-5,070.60-1,189.53

Finding the Fourth Proportional to 3,381.32, 5,070.60 and 1,189.53

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Solution

The fourth proportional to 3,381.32, 5,070.60 and 1,189.53 is: 1,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.32 : 5,070.60 = 1,189.53 : x
  2. Step 2: Convert to fraction form
    3,381.32/5,070.60 = 1,189.53/x
  3. Step 3: Cross multiply
    3,381.32x = 5,070.60 × 1,189.53
  4. Step 4: Simplify right side
    3,381.32x = 6,031,630.82
  5. Step 5: Solve for x
    x = 6,031,630.82/3,381.32
  6. Step 6: Final answer
    x = 1,783.81

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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.