Home / 2,996.90-4,137.21-2,323.18

Finding the Fourth Proportional to 2,996.90, 4,137.21 and 2,323.18

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Solution

The fourth proportional to 2,996.90, 4,137.21 and 2,323.18 is: 3,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.90 : 4,137.21 = 2,323.18 : x
  2. Step 2: Convert to fraction form
    2,996.90/4,137.21 = 2,323.18/x
  3. Step 3: Cross multiply
    2,996.90x = 4,137.21 × 2,323.18
  4. Step 4: Simplify right side
    2,996.90x = 9,611,488.70
  5. Step 5: Solve for x
    x = 9,611,488.70/2,996.90
  6. Step 6: Final answer
    x = 3,207.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.