Home / 2,873.45-3,966.35-1,694.45

Finding the Fourth Proportional to 2,873.45, 3,966.35 and 1,694.45

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Solution

The fourth proportional to 2,873.45, 3,966.35 and 1,694.45 is: 2,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.45 : 3,966.35 = 1,694.45 : x
  2. Step 2: Convert to fraction form
    2,873.45/3,966.35 = 1,694.45/x
  3. Step 3: Cross multiply
    2,873.45x = 3,966.35 × 1,694.45
  4. Step 4: Simplify right side
    2,873.45x = 6,720,753.45
  5. Step 5: Solve for x
    x = 6,720,753.45/2,873.45
  6. Step 6: Final answer
    x = 2,338.92

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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.