Home / 2,068.68-3,104.30-1,856.20

Finding the Fourth Proportional to 2,068.68, 3,104.30 and 1,856.20

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Solution

The fourth proportional to 2,068.68, 3,104.30 and 1,856.20 is: 2,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.68 : 3,104.30 = 1,856.20 : x
  2. Step 2: Convert to fraction form
    2,068.68/3,104.30 = 1,856.20/x
  3. Step 3: Cross multiply
    2,068.68x = 3,104.30 × 1,856.20
  4. Step 4: Simplify right side
    2,068.68x = 5,762,201.66
  5. Step 5: Solve for x
    x = 5,762,201.66/2,068.68
  6. Step 6: Final answer
    x = 2,785.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.