Home / 3,723.36-5,585.12-1,258.24

Finding the Fourth Proportional to 3,723.36, 5,585.12 and 1,258.24

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Solution

The fourth proportional to 3,723.36, 5,585.12 and 1,258.24 is: 1,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.36 : 5,585.12 = 1,258.24 : x
  2. Step 2: Convert to fraction form
    3,723.36/5,585.12 = 1,258.24/x
  3. Step 3: Cross multiply
    3,723.36x = 5,585.12 × 1,258.24
  4. Step 4: Simplify right side
    3,723.36x = 7,027,421.39
  5. Step 5: Solve for x
    x = 7,027,421.39/3,723.36
  6. Step 6: Final answer
    x = 1,887.39

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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.