Home / 3,090.73-4,267.15-2,381.24

Finding the Fourth Proportional to 3,090.73, 4,267.15 and 2,381.24

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Solution

The fourth proportional to 3,090.73, 4,267.15 and 2,381.24 is: 3,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.73 : 4,267.15 = 2,381.24 : x
  2. Step 2: Convert to fraction form
    3,090.73/4,267.15 = 2,381.24/x
  3. Step 3: Cross multiply
    3,090.73x = 4,267.15 × 2,381.24
  4. Step 4: Simplify right side
    3,090.73x = 10,161,108.27
  5. Step 5: Solve for x
    x = 10,161,108.27/3,090.73
  6. Step 6: Final answer
    x = 3,287.61

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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.