Home / 2,110.02-3,163.17-810.63

Finding the Fourth Proportional to 2,110.02, 3,163.17 and 810.63

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Solution

The fourth proportional to 2,110.02, 3,163.17 and 810.63 is: 1,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.02 : 3,163.17 = 810.63 : x
  2. Step 2: Convert to fraction form
    2,110.02/3,163.17 = 810.63/x
  3. Step 3: Cross multiply
    2,110.02x = 3,163.17 × 810.63
  4. Step 4: Simplify right side
    2,110.02x = 2,564,160.50
  5. Step 5: Solve for x
    x = 2,564,160.50/2,110.02
  6. Step 6: Final answer
    x = 1,215.23

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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.