Home / 2,499.66-3,448.47-2,001.21

Finding the Fourth Proportional to 2,499.66, 3,448.47 and 2,001.21

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Solution

The fourth proportional to 2,499.66, 3,448.47 and 2,001.21 is: 2,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.66 : 3,448.47 = 2,001.21 : x
  2. Step 2: Convert to fraction form
    2,499.66/3,448.47 = 2,001.21/x
  3. Step 3: Cross multiply
    2,499.66x = 3,448.47 × 2,001.21
  4. Step 4: Simplify right side
    2,499.66x = 6,901,107.22
  5. Step 5: Solve for x
    x = 6,901,107.22/2,499.66
  6. Step 6: Final answer
    x = 2,760.82

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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.