Home / 3,613.26-4,985.25-2,269.98

Finding the Fourth Proportional to 3,613.26, 4,985.25 and 2,269.98

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Solution

The fourth proportional to 3,613.26, 4,985.25 and 2,269.98 is: 3,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.26 : 4,985.25 = 2,269.98 : x
  2. Step 2: Convert to fraction form
    3,613.26/4,985.25 = 2,269.98/x
  3. Step 3: Cross multiply
    3,613.26x = 4,985.25 × 2,269.98
  4. Step 4: Simplify right side
    3,613.26x = 11,316,417.80
  5. Step 5: Solve for x
    x = 11,316,417.80/3,613.26
  6. Step 6: Final answer
    x = 3,131.91

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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.