Home / 2,110.61-3,166.52-649.98

Finding the Fourth Proportional to 2,110.61, 3,166.52 and 649.98

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Solution

The fourth proportional to 2,110.61, 3,166.52 and 649.98 is: 975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.61 : 3,166.52 = 649.98 : x
  2. Step 2: Convert to fraction form
    2,110.61/3,166.52 = 649.98/x
  3. Step 3: Cross multiply
    2,110.61x = 3,166.52 × 649.98
  4. Step 4: Simplify right side
    2,110.61x = 2,058,174.67
  5. Step 5: Solve for x
    x = 2,058,174.67/2,110.61
  6. Step 6: Final answer
    x = 975.16

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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.