Home / 3,355.88-5,031.05-1,480.44

Finding the Fourth Proportional to 3,355.88, 5,031.05 and 1,480.44

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Solution

The fourth proportional to 3,355.88, 5,031.05 and 1,480.44 is: 2,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.88 : 5,031.05 = 1,480.44 : x
  2. Step 2: Convert to fraction form
    3,355.88/5,031.05 = 1,480.44/x
  3. Step 3: Cross multiply
    3,355.88x = 5,031.05 × 1,480.44
  4. Step 4: Simplify right side
    3,355.88x = 7,448,156.24
  5. Step 5: Solve for x
    x = 7,448,156.24/3,355.88
  6. Step 6: Final answer
    x = 2,219.43

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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.