Home / 3,173.82-4,750.38-2,870.70

Finding the Fourth Proportional to 3,173.82, 4,750.38 and 2,870.70

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Solution

The fourth proportional to 3,173.82, 4,750.38 and 2,870.70 is: 4,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.82 : 4,750.38 = 2,870.70 : x
  2. Step 2: Convert to fraction form
    3,173.82/4,750.38 = 2,870.70/x
  3. Step 3: Cross multiply
    3,173.82x = 4,750.38 × 2,870.70
  4. Step 4: Simplify right side
    3,173.82x = 13,636,915.87
  5. Step 5: Solve for x
    x = 13,636,915.87/3,173.82
  6. Step 6: Final answer
    x = 4,296.69

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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.