Home / 3,530.32-5,295.56-1,189.90

Finding the Fourth Proportional to 3,530.32, 5,295.56 and 1,189.90

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Solution

The fourth proportional to 3,530.32, 5,295.56 and 1,189.90 is: 1,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.32 : 5,295.56 = 1,189.90 : x
  2. Step 2: Convert to fraction form
    3,530.32/5,295.56 = 1,189.90/x
  3. Step 3: Cross multiply
    3,530.32x = 5,295.56 × 1,189.90
  4. Step 4: Simplify right side
    3,530.32x = 6,301,186.84
  5. Step 5: Solve for x
    x = 6,301,186.84/3,530.32
  6. Step 6: Final answer
    x = 1,784.88

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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.