Home / 3,519.88-5,280.60-1,054.92

Finding the Fourth Proportional to 3,519.88, 5,280.60 and 1,054.92

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Solution

The fourth proportional to 3,519.88, 5,280.60 and 1,054.92 is: 1,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.88 : 5,280.60 = 1,054.92 : x
  2. Step 2: Convert to fraction form
    3,519.88/5,280.60 = 1,054.92/x
  3. Step 3: Cross multiply
    3,519.88x = 5,280.60 × 1,054.92
  4. Step 4: Simplify right side
    3,519.88x = 5,570,610.55
  5. Step 5: Solve for x
    x = 5,570,610.55/3,519.88
  6. Step 6: Final answer
    x = 1,582.61

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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.