Home / 3,723.78-5,585.58-1,258.53

Finding the Fourth Proportional to 3,723.78, 5,585.58 and 1,258.53

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Solution

The fourth proportional to 3,723.78, 5,585.58 and 1,258.53 is: 1,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.78 : 5,585.58 = 1,258.53 : x
  2. Step 2: Convert to fraction form
    3,723.78/5,585.58 = 1,258.53/x
  3. Step 3: Cross multiply
    3,723.78x = 5,585.58 × 1,258.53
  4. Step 4: Simplify right side
    3,723.78x = 7,029,620.00
  5. Step 5: Solve for x
    x = 7,029,620.00/3,723.78
  6. Step 6: Final answer
    x = 1,887.76

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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.