Home / 3,447.51-5,170.34-1,499.25

Finding the Fourth Proportional to 3,447.51, 5,170.34 and 1,499.25

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Solution

The fourth proportional to 3,447.51, 5,170.34 and 1,499.25 is: 2,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.51 : 5,170.34 = 1,499.25 : x
  2. Step 2: Convert to fraction form
    3,447.51/5,170.34 = 1,499.25/x
  3. Step 3: Cross multiply
    3,447.51x = 5,170.34 × 1,499.25
  4. Step 4: Simplify right side
    3,447.51x = 7,751,635.99
  5. Step 5: Solve for x
    x = 7,751,635.99/3,447.51
  6. Step 6: Final answer
    x = 2,248.47

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Double scale
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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.