Home / 3,048.40-4,207.01-1,721.62

Finding the Fourth Proportional to 3,048.40, 4,207.01 and 1,721.62

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Solution

The fourth proportional to 3,048.40, 4,207.01 and 1,721.62 is: 2,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.40 : 4,207.01 = 1,721.62 : x
  2. Step 2: Convert to fraction form
    3,048.40/4,207.01 = 1,721.62/x
  3. Step 3: Cross multiply
    3,048.40x = 4,207.01 × 1,721.62
  4. Step 4: Simplify right side
    3,048.40x = 7,242,869.21
  5. Step 5: Solve for x
    x = 7,242,869.21/3,048.40
  6. Step 6: Final answer
    x = 2,375.96

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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.