Home / 3,417.38-4,715.11-2,090.60

Finding the Fourth Proportional to 3,417.38, 4,715.11 and 2,090.60

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Solution

The fourth proportional to 3,417.38, 4,715.11 and 2,090.60 is: 2,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.38 : 4,715.11 = 2,090.60 : x
  2. Step 2: Convert to fraction form
    3,417.38/4,715.11 = 2,090.60/x
  3. Step 3: Cross multiply
    3,417.38x = 4,715.11 × 2,090.60
  4. Step 4: Simplify right side
    3,417.38x = 9,857,408.97
  5. Step 5: Solve for x
    x = 9,857,408.97/3,417.38
  6. Step 6: Final answer
    x = 2,884.49

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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.