Home / 2,961.14-4,083.34-1,781.98

Finding the Fourth Proportional to 2,961.14, 4,083.34 and 1,781.98

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Solution

The fourth proportional to 2,961.14, 4,083.34 and 1,781.98 is: 2,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.14 : 4,083.34 = 1,781.98 : x
  2. Step 2: Convert to fraction form
    2,961.14/4,083.34 = 1,781.98/x
  3. Step 3: Cross multiply
    2,961.14x = 4,083.34 × 1,781.98
  4. Step 4: Simplify right side
    2,961.14x = 7,276,430.21
  5. Step 5: Solve for x
    x = 7,276,430.21/2,961.14
  6. Step 6: Final answer
    x = 2,457.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.