Home / 3,078.97-4,613.71-2,090.50

Finding the Fourth Proportional to 3,078.97, 4,613.71 and 2,090.50

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Solution

The fourth proportional to 3,078.97, 4,613.71 and 2,090.50 is: 3,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.97 : 4,613.71 = 2,090.50 : x
  2. Step 2: Convert to fraction form
    3,078.97/4,613.71 = 2,090.50/x
  3. Step 3: Cross multiply
    3,078.97x = 4,613.71 × 2,090.50
  4. Step 4: Simplify right side
    3,078.97x = 9,644,960.76
  5. Step 5: Solve for x
    x = 9,644,960.76/3,078.97
  6. Step 6: Final answer
    x = 3,132.53

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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.