Home / 3,613.21-5,418.60-1,273.12

Finding the Fourth Proportional to 3,613.21, 5,418.60 and 1,273.12

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Solution

The fourth proportional to 3,613.21, 5,418.60 and 1,273.12 is: 1,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.21 : 5,418.60 = 1,273.12 : x
  2. Step 2: Convert to fraction form
    3,613.21/5,418.60 = 1,273.12/x
  3. Step 3: Cross multiply
    3,613.21x = 5,418.60 × 1,273.12
  4. Step 4: Simplify right side
    3,613.21x = 6,898,509.71
  5. Step 5: Solve for x
    x = 6,898,509.71/3,613.21
  6. Step 6: Final answer
    x = 1,909.25

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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.