Home / 3,001.43-4,142.09-1,822.50

Finding the Fourth Proportional to 3,001.43, 4,142.09 and 1,822.50

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Solution

The fourth proportional to 3,001.43, 4,142.09 and 1,822.50 is: 2,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.43 : 4,142.09 = 1,822.50 : x
  2. Step 2: Convert to fraction form
    3,001.43/4,142.09 = 1,822.50/x
  3. Step 3: Cross multiply
    3,001.43x = 4,142.09 × 1,822.50
  4. Step 4: Simplify right side
    3,001.43x = 7,548,953.33
  5. Step 5: Solve for x
    x = 7,548,953.33/3,001.43
  6. Step 6: Final answer
    x = 2,515.12

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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.