Home / 3,001.72-4,141.56-1,790.23

Finding the Fourth Proportional to 3,001.72, 4,141.56 and 1,790.23

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Solution

The fourth proportional to 3,001.72, 4,141.56 and 1,790.23 is: 2,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.72 : 4,141.56 = 1,790.23 : x
  2. Step 2: Convert to fraction form
    3,001.72/4,141.56 = 1,790.23/x
  3. Step 3: Cross multiply
    3,001.72x = 4,141.56 × 1,790.23
  4. Step 4: Simplify right side
    3,001.72x = 7,414,324.25
  5. Step 5: Solve for x
    x = 7,414,324.25/3,001.72
  6. Step 6: Final answer
    x = 2,470.03

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1.5x scale

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.