Home / 1,484.31-2,047.24-1,249.51

Finding the Fourth Proportional to 1,484.31, 2,047.24 and 1,249.51

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Solution

The fourth proportional to 1,484.31, 2,047.24 and 1,249.51 is: 1,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.31 : 2,047.24 = 1,249.51 : x
  2. Step 2: Convert to fraction form
    1,484.31/2,047.24 = 1,249.51/x
  3. Step 3: Cross multiply
    1,484.31x = 2,047.24 × 1,249.51
  4. Step 4: Simplify right side
    1,484.31x = 2,558,046.85
  5. Step 5: Solve for x
    x = 2,558,046.85/1,484.31
  6. Step 6: Final answer
    x = 1,723.39

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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.