Home / 3,519.86-5,280.39-1,573.43

Finding the Fourth Proportional to 3,519.86, 5,280.39 and 1,573.43

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Solution

The fourth proportional to 3,519.86, 5,280.39 and 1,573.43 is: 2,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.86 : 5,280.39 = 1,573.43 : x
  2. Step 2: Convert to fraction form
    3,519.86/5,280.39 = 1,573.43/x
  3. Step 3: Cross multiply
    3,519.86x = 5,280.39 × 1,573.43
  4. Step 4: Simplify right side
    3,519.86x = 8,308,297.64
  5. Step 5: Solve for x
    x = 8,308,297.64/3,519.86
  6. Step 6: Final answer
    x = 2,360.41

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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.