Home / 3,087.64-4,631.61-1,007.65

Finding the Fourth Proportional to 3,087.64, 4,631.61 and 1,007.65

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Solution

The fourth proportional to 3,087.64, 4,631.61 and 1,007.65 is: 1,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.64 : 4,631.61 = 1,007.65 : x
  2. Step 2: Convert to fraction form
    3,087.64/4,631.61 = 1,007.65/x
  3. Step 3: Cross multiply
    3,087.64x = 4,631.61 × 1,007.65
  4. Step 4: Simplify right side
    3,087.64x = 4,667,025.33
  5. Step 5: Solve for x
    x = 4,667,025.33/3,087.64
  6. Step 6: Final answer
    x = 1,511.52

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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.