Home / 2,141.50-2,957.70-1,441.66

Finding the Fourth Proportional to 2,141.50, 2,957.70 and 1,441.66

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Solution

The fourth proportional to 2,141.50, 2,957.70 and 1,441.66 is: 1,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.50 : 2,957.70 = 1,441.66 : x
  2. Step 2: Convert to fraction form
    2,141.50/2,957.70 = 1,441.66/x
  3. Step 3: Cross multiply
    2,141.50x = 2,957.70 × 1,441.66
  4. Step 4: Simplify right side
    2,141.50x = 4,263,997.78
  5. Step 5: Solve for x
    x = 4,263,997.78/2,141.50
  6. Step 6: Final answer
    x = 1,991.13

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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.