Home / 2,110.64-3,162.50-723.23

Finding the Fourth Proportional to 2,110.64, 3,162.50 and 723.23

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Solution

The fourth proportional to 2,110.64, 3,162.50 and 723.23 is: 1,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.64 : 3,162.50 = 723.23 : x
  2. Step 2: Convert to fraction form
    2,110.64/3,162.50 = 723.23/x
  3. Step 3: Cross multiply
    2,110.64x = 3,162.50 × 723.23
  4. Step 4: Simplify right side
    2,110.64x = 2,287,220.02
  5. Step 5: Solve for x
    x = 2,287,220.02/2,110.64
  6. Step 6: Final answer
    x = 1,083.66

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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.