Home / 3,449.42-5,174.15-1,258.14

Finding the Fourth Proportional to 3,449.42, 5,174.15 and 1,258.14

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Solution

The fourth proportional to 3,449.42, 5,174.15 and 1,258.14 is: 1,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.42 : 5,174.15 = 1,258.14 : x
  2. Step 2: Convert to fraction form
    3,449.42/5,174.15 = 1,258.14/x
  3. Step 3: Cross multiply
    3,449.42x = 5,174.15 × 1,258.14
  4. Step 4: Simplify right side
    3,449.42x = 6,509,818.19
  5. Step 5: Solve for x
    x = 6,509,818.19/3,449.42
  6. Step 6: Final answer
    x = 1,887.22

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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.