Home / 2,110.02-3,165.30-648.90

Finding the Fourth Proportional to 2,110.02, 3,165.30 and 648.90

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Solution

The fourth proportional to 2,110.02, 3,165.30 and 648.90 is: 973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.02 : 3,165.30 = 648.90 : x
  2. Step 2: Convert to fraction form
    2,110.02/3,165.30 = 648.90/x
  3. Step 3: Cross multiply
    2,110.02x = 3,165.30 × 648.90
  4. Step 4: Simplify right side
    2,110.02x = 2,053,963.17
  5. Step 5: Solve for x
    x = 2,053,963.17/2,110.02
  6. Step 6: Final answer
    x = 973.43

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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.