Home / 1,790.30-2,470.40-1,044.44

Finding the Fourth Proportional to 1,790.30, 2,470.40 and 1,044.44

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Solution

The fourth proportional to 1,790.30, 2,470.40 and 1,044.44 is: 1,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.30 : 2,470.40 = 1,044.44 : x
  2. Step 2: Convert to fraction form
    1,790.30/2,470.40 = 1,044.44/x
  3. Step 3: Cross multiply
    1,790.30x = 2,470.40 × 1,044.44
  4. Step 4: Simplify right side
    1,790.30x = 2,580,194.08
  5. Step 5: Solve for x
    x = 2,580,194.08/1,790.30
  6. Step 6: Final answer
    x = 1,441.21

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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.