Home / 3,449.48-5,174.23-1,258.21

Finding the Fourth Proportional to 3,449.48, 5,174.23 and 1,258.21

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Solution

The fourth proportional to 3,449.48, 5,174.23 and 1,258.21 is: 1,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.48 : 5,174.23 = 1,258.21 : x
  2. Step 2: Convert to fraction form
    3,449.48/5,174.23 = 1,258.21/x
  3. Step 3: Cross multiply
    3,449.48x = 5,174.23 × 1,258.21
  4. Step 4: Simplify right side
    3,449.48x = 6,510,267.93
  5. Step 5: Solve for x
    x = 6,510,267.93/3,449.48
  6. Step 6: Final answer
    x = 1,887.32

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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.