Home / 3,001.79-4,142.75-1,675.82

Finding the Fourth Proportional to 3,001.79, 4,142.75 and 1,675.82

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Solution

The fourth proportional to 3,001.79, 4,142.75 and 1,675.82 is: 2,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.79 : 4,142.75 = 1,675.82 : x
  2. Step 2: Convert to fraction form
    3,001.79/4,142.75 = 1,675.82/x
  3. Step 3: Cross multiply
    3,001.79x = 4,142.75 × 1,675.82
  4. Step 4: Simplify right side
    3,001.79x = 6,942,505.28
  5. Step 5: Solve for x
    x = 6,942,505.28/3,001.79
  6. Step 6: Final answer
    x = 2,312.79

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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.