Home / 2,239.72-3,080.53-1,796.65

Finding the Fourth Proportional to 2,239.72, 3,080.53 and 1,796.65

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Solution

The fourth proportional to 2,239.72, 3,080.53 and 1,796.65 is: 2,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.72 : 3,080.53 = 1,796.65 : x
  2. Step 2: Convert to fraction form
    2,239.72/3,080.53 = 1,796.65/x
  3. Step 3: Cross multiply
    2,239.72x = 3,080.53 × 1,796.65
  4. Step 4: Simplify right side
    2,239.72x = 5,534,628.77
  5. Step 5: Solve for x
    x = 5,534,628.77/2,239.72
  6. Step 6: Final answer
    x = 2,471.13

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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.