Home / 3,140.44-4,710.68-1,087.96

Finding the Fourth Proportional to 3,140.44, 4,710.68 and 1,087.96

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Solution

The fourth proportional to 3,140.44, 4,710.68 and 1,087.96 is: 1,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.44 : 4,710.68 = 1,087.96 : x
  2. Step 2: Convert to fraction form
    3,140.44/4,710.68 = 1,087.96/x
  3. Step 3: Cross multiply
    3,140.44x = 4,710.68 × 1,087.96
  4. Step 4: Simplify right side
    3,140.44x = 5,125,031.41
  5. Step 5: Solve for x
    x = 5,125,031.41/3,140.44
  6. Step 6: Final answer
    x = 1,631.95

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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.