Home / 3,519.45-5,280.93-1,571.13

Finding the Fourth Proportional to 3,519.45, 5,280.93 and 1,571.13

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Solution

The fourth proportional to 3,519.45, 5,280.93 and 1,571.13 is: 2,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.45 : 5,280.93 = 1,571.13 : x
  2. Step 2: Convert to fraction form
    3,519.45/5,280.93 = 1,571.13/x
  3. Step 3: Cross multiply
    3,519.45x = 5,280.93 × 1,571.13
  4. Step 4: Simplify right side
    3,519.45x = 8,297,027.55
  5. Step 5: Solve for x
    x = 8,297,027.55/3,519.45
  6. Step 6: Final answer
    x = 2,357.48

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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.