Home / 3,090.15-4,262.22-2,146.10

Finding the Fourth Proportional to 3,090.15, 4,262.22 and 2,146.10

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Solution

The fourth proportional to 3,090.15, 4,262.22 and 2,146.10 is: 2,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.15 : 4,262.22 = 2,146.10 : x
  2. Step 2: Convert to fraction form
    3,090.15/4,262.22 = 2,146.10/x
  3. Step 3: Cross multiply
    3,090.15x = 4,262.22 × 2,146.10
  4. Step 4: Simplify right side
    3,090.15x = 9,147,129.03
  5. Step 5: Solve for x
    x = 9,147,129.03/3,090.15
  6. Step 6: Final answer
    x = 2,960.09

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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.