Home / 2,399.61-3,308.48-2,001.85

Finding the Fourth Proportional to 2,399.61, 3,308.48 and 2,001.85

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Solution

The fourth proportional to 2,399.61, 3,308.48 and 2,001.85 is: 2,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.61 : 3,308.48 = 2,001.85 : x
  2. Step 2: Convert to fraction form
    2,399.61/3,308.48 = 2,001.85/x
  3. Step 3: Cross multiply
    2,399.61x = 3,308.48 × 2,001.85
  4. Step 4: Simplify right side
    2,399.61x = 6,623,069.91
  5. Step 5: Solve for x
    x = 6,623,069.91/2,399.61
  6. Step 6: Final answer
    x = 2,760.06

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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.