Home / 2,910.53-4,015.23-1,966.02

Finding the Fourth Proportional to 2,910.53, 4,015.23 and 1,966.02

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Solution

The fourth proportional to 2,910.53, 4,015.23 and 1,966.02 is: 2,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.53 : 4,015.23 = 1,966.02 : x
  2. Step 2: Convert to fraction form
    2,910.53/4,015.23 = 1,966.02/x
  3. Step 3: Cross multiply
    2,910.53x = 4,015.23 × 1,966.02
  4. Step 4: Simplify right side
    2,910.53x = 7,894,022.48
  5. Step 5: Solve for x
    x = 7,894,022.48/2,910.53
  6. Step 6: Final answer
    x = 2,712.23

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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.