Home / 2,398.85-3,614.58-1,996.98

Finding the Fourth Proportional to 2,398.85, 3,614.58 and 1,996.98

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Solution

The fourth proportional to 2,398.85, 3,614.58 and 1,996.98 is: 3,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.85 : 3,614.58 = 1,996.98 : x
  2. Step 2: Convert to fraction form
    2,398.85/3,614.58 = 1,996.98/x
  3. Step 3: Cross multiply
    2,398.85x = 3,614.58 × 1,996.98
  4. Step 4: Simplify right side
    2,398.85x = 7,218,243.97
  5. Step 5: Solve for x
    x = 7,218,243.97/2,398.85
  6. Step 6: Final answer
    x = 3,009.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.