Home / 1,445.89-2,173.67-1,141.41

Finding the Fourth Proportional to 1,445.89, 2,173.67 and 1,141.41

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Solution

The fourth proportional to 1,445.89, 2,173.67 and 1,141.41 is: 1,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.89 : 2,173.67 = 1,141.41 : x
  2. Step 2: Convert to fraction form
    1,445.89/2,173.67 = 1,141.41/x
  3. Step 3: Cross multiply
    1,445.89x = 2,173.67 × 1,141.41
  4. Step 4: Simplify right side
    1,445.89x = 2,481,042.97
  5. Step 5: Solve for x
    x = 2,481,042.97/1,445.89
  6. Step 6: Final answer
    x = 1,715.93

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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.