Home / 2,449.83-3,381.09-1,664.13

Finding the Fourth Proportional to 2,449.83, 3,381.09 and 1,664.13

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Solution

The fourth proportional to 2,449.83, 3,381.09 and 1,664.13 is: 2,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.83 : 3,381.09 = 1,664.13 : x
  2. Step 2: Convert to fraction form
    2,449.83/3,381.09 = 1,664.13/x
  3. Step 3: Cross multiply
    2,449.83x = 3,381.09 × 1,664.13
  4. Step 4: Simplify right side
    2,449.83x = 5,626,573.30
  5. Step 5: Solve for x
    x = 5,626,573.30/2,449.83
  6. Step 6: Final answer
    x = 2,296.72

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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.