Home / 2,799.01-3,863.28-1,680.58

Finding the Fourth Proportional to 2,799.01, 3,863.28 and 1,680.58

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Solution

The fourth proportional to 2,799.01, 3,863.28 and 1,680.58 is: 2,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.01 : 3,863.28 = 1,680.58 : x
  2. Step 2: Convert to fraction form
    2,799.01/3,863.28 = 1,680.58/x
  3. Step 3: Cross multiply
    2,799.01x = 3,863.28 × 1,680.58
  4. Step 4: Simplify right side
    2,799.01x = 6,492,551.10
  5. Step 5: Solve for x
    x = 6,492,551.10/2,799.01
  6. Step 6: Final answer
    x = 2,319.59

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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.