Home / 2,110.16-3,163.52-878.49

Finding the Fourth Proportional to 2,110.16, 3,163.52 and 878.49

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Solution

The fourth proportional to 2,110.16, 3,163.52 and 878.49 is: 1,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.16 : 3,163.52 = 878.49 : x
  2. Step 2: Convert to fraction form
    2,110.16/3,163.52 = 878.49/x
  3. Step 3: Cross multiply
    2,110.16x = 3,163.52 × 878.49
  4. Step 4: Simplify right side
    2,110.16x = 2,779,116.29
  5. Step 5: Solve for x
    x = 2,779,116.29/2,110.16
  6. Step 6: Final answer
    x = 1,317.02

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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.