Home / 2,784.94-4,177.75-1,029.65

Finding the Fourth Proportional to 2,784.94, 4,177.75 and 1,029.65

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Solution

The fourth proportional to 2,784.94, 4,177.75 and 1,029.65 is: 1,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.94 : 4,177.75 = 1,029.65 : x
  2. Step 2: Convert to fraction form
    2,784.94/4,177.75 = 1,029.65/x
  3. Step 3: Cross multiply
    2,784.94x = 4,177.75 × 1,029.65
  4. Step 4: Simplify right side
    2,784.94x = 4,301,601.65
  5. Step 5: Solve for x
    x = 4,301,601.65/2,784.94
  6. Step 6: Final answer
    x = 1,544.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.