Home / 3,498.32-5,247.48-1,189.82

Finding the Fourth Proportional to 3,498.32, 5,247.48 and 1,189.82

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Solution

The fourth proportional to 3,498.32, 5,247.48 and 1,189.82 is: 1,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.32 : 5,247.48 = 1,189.82 : x
  2. Step 2: Convert to fraction form
    3,498.32/5,247.48 = 1,189.82/x
  3. Step 3: Cross multiply
    3,498.32x = 5,247.48 × 1,189.82
  4. Step 4: Simplify right side
    3,498.32x = 6,243,524.47
  5. Step 5: Solve for x
    x = 6,243,524.47/3,498.32
  6. Step 6: Final answer
    x = 1,784.72

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Double scale
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Similar ratio
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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.