Home / 3,498.06-5,247.48-1,157.21

Finding the Fourth Proportional to 3,498.06, 5,247.48 and 1,157.21

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Solution

The fourth proportional to 3,498.06, 5,247.48 and 1,157.21 is: 1,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.06 : 5,247.48 = 1,157.21 : x
  2. Step 2: Convert to fraction form
    3,498.06/5,247.48 = 1,157.21/x
  3. Step 3: Cross multiply
    3,498.06x = 5,247.48 × 1,157.21
  4. Step 4: Simplify right side
    3,498.06x = 6,072,446.56
  5. Step 5: Solve for x
    x = 6,072,446.56/3,498.06
  6. Step 6: Final answer
    x = 1,735.95

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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.