Home / 2,110.10-3,162.30-1,620.74

Finding the Fourth Proportional to 2,110.10, 3,162.30 and 1,620.74

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Solution

The fourth proportional to 2,110.10, 3,162.30 and 1,620.74 is: 2,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.10 : 3,162.30 = 1,620.74 : x
  2. Step 2: Convert to fraction form
    2,110.10/3,162.30 = 1,620.74/x
  3. Step 3: Cross multiply
    2,110.10x = 3,162.30 × 1,620.74
  4. Step 4: Simplify right side
    2,110.10x = 5,125,266.10
  5. Step 5: Solve for x
    x = 5,125,266.10/2,110.10
  6. Step 6: Final answer
    x = 2,428.92

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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.