Home / 1,902.42-2,624.44-1,239.02

Finding the Fourth Proportional to 1,902.42, 2,624.44 and 1,239.02

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Solution

The fourth proportional to 1,902.42, 2,624.44 and 1,239.02 is: 1,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.42 : 2,624.44 = 1,239.02 : x
  2. Step 2: Convert to fraction form
    1,902.42/2,624.44 = 1,239.02/x
  3. Step 3: Cross multiply
    1,902.42x = 2,624.44 × 1,239.02
  4. Step 4: Simplify right side
    1,902.42x = 3,251,733.65
  5. Step 5: Solve for x
    x = 3,251,733.65/1,902.42
  6. Step 6: Final answer
    x = 1,709.26

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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.