Home / 1,849.25-2,551.85-1,009.78

Finding the Fourth Proportional to 1,849.25, 2,551.85 and 1,009.78

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Solution

The fourth proportional to 1,849.25, 2,551.85 and 1,009.78 is: 1,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.25 : 2,551.85 = 1,009.78 : x
  2. Step 2: Convert to fraction form
    1,849.25/2,551.85 = 1,009.78/x
  3. Step 3: Cross multiply
    1,849.25x = 2,551.85 × 1,009.78
  4. Step 4: Simplify right side
    1,849.25x = 2,576,814.07
  5. Step 5: Solve for x
    x = 2,576,814.07/1,849.25
  6. Step 6: Final answer
    x = 1,393.44

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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.