Home / 3,449.06-5,174.81-1,258.01

Finding the Fourth Proportional to 3,449.06, 5,174.81 and 1,258.01

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Solution

The fourth proportional to 3,449.06, 5,174.81 and 1,258.01 is: 1,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.06 : 5,174.81 = 1,258.01 : x
  2. Step 2: Convert to fraction form
    3,449.06/5,174.81 = 1,258.01/x
  3. Step 3: Cross multiply
    3,449.06x = 5,174.81 × 1,258.01
  4. Step 4: Simplify right side
    3,449.06x = 6,509,954.69
  5. Step 5: Solve for x
    x = 6,509,954.69/3,449.06
  6. Step 6: Final answer
    x = 1,887.46

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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.