Home / 3,493.50-5,238.48-1,272.24

Finding the Fourth Proportional to 3,493.50, 5,238.48 and 1,272.24

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Solution

The fourth proportional to 3,493.50, 5,238.48 and 1,272.24 is: 1,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.50 : 5,238.48 = 1,272.24 : x
  2. Step 2: Convert to fraction form
    3,493.50/5,238.48 = 1,272.24/x
  3. Step 3: Cross multiply
    3,493.50x = 5,238.48 × 1,272.24
  4. Step 4: Simplify right side
    3,493.50x = 6,664,603.80
  5. Step 5: Solve for x
    x = 6,664,603.80/3,493.50
  6. Step 6: Final answer
    x = 1,907.72

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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.