Home / 3,613.67-4,986.25-2,197.11

Finding the Fourth Proportional to 3,613.67, 4,986.25 and 2,197.11

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Solution

The fourth proportional to 3,613.67, 4,986.25 and 2,197.11 is: 3,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.67 : 4,986.25 = 2,197.11 : x
  2. Step 2: Convert to fraction form
    3,613.67/4,986.25 = 2,197.11/x
  3. Step 3: Cross multiply
    3,613.67x = 4,986.25 × 2,197.11
  4. Step 4: Simplify right side
    3,613.67x = 10,955,339.74
  5. Step 5: Solve for x
    x = 10,955,339.74/3,613.67
  6. Step 6: Final answer
    x = 3,031.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.