Home / 3,090.23-4,262.84-2,342.87

Finding the Fourth Proportional to 3,090.23, 4,262.84 and 2,342.87

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Solution

The fourth proportional to 3,090.23, 4,262.84 and 2,342.87 is: 3,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.23 : 4,262.84 = 2,342.87 : x
  2. Step 2: Convert to fraction form
    3,090.23/4,262.84 = 2,342.87/x
  3. Step 3: Cross multiply
    3,090.23x = 4,262.84 × 2,342.87
  4. Step 4: Simplify right side
    3,090.23x = 9,987,279.95
  5. Step 5: Solve for x
    x = 9,987,279.95/3,090.23
  6. Step 6: Final answer
    x = 3,231.89

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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.