Home / 3,048.27-4,207.31-1,789.39

Finding the Fourth Proportional to 3,048.27, 4,207.31 and 1,789.39

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Solution

The fourth proportional to 3,048.27, 4,207.31 and 1,789.39 is: 2,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.27 : 4,207.31 = 1,789.39 : x
  2. Step 2: Convert to fraction form
    3,048.27/4,207.31 = 1,789.39/x
  3. Step 3: Cross multiply
    3,048.27x = 4,207.31 × 1,789.39
  4. Step 4: Simplify right side
    3,048.27x = 7,528,521.46
  5. Step 5: Solve for x
    x = 7,528,521.46/3,048.27
  6. Step 6: Final answer
    x = 2,469.77

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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.