Home / 3,087.44-4,631.52-1,007.60

Finding the Fourth Proportional to 3,087.44, 4,631.52 and 1,007.60

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Solution

The fourth proportional to 3,087.44, 4,631.52 and 1,007.60 is: 1,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.44 : 4,631.52 = 1,007.60 : x
  2. Step 2: Convert to fraction form
    3,087.44/4,631.52 = 1,007.60/x
  3. Step 3: Cross multiply
    3,087.44x = 4,631.52 × 1,007.60
  4. Step 4: Simplify right side
    3,087.44x = 4,666,719.55
  5. Step 5: Solve for x
    x = 4,666,719.55/3,087.44
  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.