Home / 2,531.73-3,493.79-1,412.65

Finding the Fourth Proportional to 2,531.73, 3,493.79 and 1,412.65

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Solution

The fourth proportional to 2,531.73, 3,493.79 and 1,412.65 is: 1,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.73 : 3,493.79 = 1,412.65 : x
  2. Step 2: Convert to fraction form
    2,531.73/3,493.79 = 1,412.65/x
  3. Step 3: Cross multiply
    2,531.73x = 3,493.79 × 1,412.65
  4. Step 4: Simplify right side
    2,531.73x = 4,935,488.51
  5. Step 5: Solve for x
    x = 4,935,488.51/2,531.73
  6. Step 6: Final answer
    x = 1,949.45

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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.