Home / 3,351.26-5,031.21-1,813.34

Finding the Fourth Proportional to 3,351.26, 5,031.21 and 1,813.34

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Solution

The fourth proportional to 3,351.26, 5,031.21 and 1,813.34 is: 2,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.26 : 5,031.21 = 1,813.34 : x
  2. Step 2: Convert to fraction form
    3,351.26/5,031.21 = 1,813.34/x
  3. Step 3: Cross multiply
    3,351.26x = 5,031.21 × 1,813.34
  4. Step 4: Simplify right side
    3,351.26x = 9,123,294.34
  5. Step 5: Solve for x
    x = 9,123,294.34/3,351.26
  6. Step 6: Final answer
    x = 2,722.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.