Home / 3,090.76-4,265.73-2,343.49

Finding the Fourth Proportional to 3,090.76, 4,265.73 and 2,343.49

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Solution

The fourth proportional to 3,090.76, 4,265.73 and 2,343.49 is: 3,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.76 : 4,265.73 = 2,343.49 : x
  2. Step 2: Convert to fraction form
    3,090.76/4,265.73 = 2,343.49/x
  3. Step 3: Cross multiply
    3,090.76x = 4,265.73 × 2,343.49
  4. Step 4: Simplify right side
    3,090.76x = 9,996,695.60
  5. Step 5: Solve for x
    x = 9,996,695.60/3,090.76
  6. Step 6: Final answer
    x = 3,234.38

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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.