Home / 1,940.76-2,921.81-1,710.96

Finding the Fourth Proportional to 1,940.76, 2,921.81 and 1,710.96

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Solution

The fourth proportional to 1,940.76, 2,921.81 and 1,710.96 is: 2,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.76 : 2,921.81 = 1,710.96 : x
  2. Step 2: Convert to fraction form
    1,940.76/2,921.81 = 1,710.96/x
  3. Step 3: Cross multiply
    1,940.76x = 2,921.81 × 1,710.96
  4. Step 4: Simplify right side
    1,940.76x = 4,999,100.04
  5. Step 5: Solve for x
    x = 4,999,100.04/1,940.76
  6. Step 6: Final answer
    x = 2,575.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.