Home / 2,110.23-3,165.48-649.26

Finding the Fourth Proportional to 2,110.23, 3,165.48 and 649.26

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Solution

The fourth proportional to 2,110.23, 3,165.48 and 649.26 is: 973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.23 : 3,165.48 = 649.26 : x
  2. Step 2: Convert to fraction form
    2,110.23/3,165.48 = 649.26/x
  3. Step 3: Cross multiply
    2,110.23x = 3,165.48 × 649.26
  4. Step 4: Simplify right side
    2,110.23x = 2,055,219.54
  5. Step 5: Solve for x
    x = 2,055,219.54/2,110.23
  6. Step 6: Final answer
    x = 973.93

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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.