Home / 1,853.48-2,558.79-1,262.99

Finding the Fourth Proportional to 1,853.48, 2,558.79 and 1,262.99

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Solution

The fourth proportional to 1,853.48, 2,558.79 and 1,262.99 is: 1,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.48 : 2,558.79 = 1,262.99 : x
  2. Step 2: Convert to fraction form
    1,853.48/2,558.79 = 1,262.99/x
  3. Step 3: Cross multiply
    1,853.48x = 2,558.79 × 1,262.99
  4. Step 4: Simplify right side
    1,853.48x = 3,231,732.58
  5. Step 5: Solve for x
    x = 3,231,732.58/1,853.48
  6. Step 6: Final answer
    x = 1,743.60

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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.