Home / 3,719.66-5,580.01-1,087.36

Finding the Fourth Proportional to 3,719.66, 5,580.01 and 1,087.36

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Solution

The fourth proportional to 3,719.66, 5,580.01 and 1,087.36 is: 1,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.66 : 5,580.01 = 1,087.36 : x
  2. Step 2: Convert to fraction form
    3,719.66/5,580.01 = 1,087.36/x
  3. Step 3: Cross multiply
    3,719.66x = 5,580.01 × 1,087.36
  4. Step 4: Simplify right side
    3,719.66x = 6,067,479.67
  5. Step 5: Solve for x
    x = 6,067,479.67/3,719.66
  6. Step 6: Final answer
    x = 1,631.19

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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.