Home / 2,964.14-4,092.18-1,970.78

Finding the Fourth Proportional to 2,964.14, 4,092.18 and 1,970.78

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Solution

The fourth proportional to 2,964.14, 4,092.18 and 1,970.78 is: 2,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.14 : 4,092.18 = 1,970.78 : x
  2. Step 2: Convert to fraction form
    2,964.14/4,092.18 = 1,970.78/x
  3. Step 3: Cross multiply
    2,964.14x = 4,092.18 × 1,970.78
  4. Step 4: Simplify right side
    2,964.14x = 8,064,786.50
  5. Step 5: Solve for x
    x = 8,064,786.50/2,964.14
  6. Step 6: Final answer
    x = 2,720.78

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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.