Home / 1,790.70-2,470.87-1,647.33

Finding the Fourth Proportional to 1,790.70, 2,470.87 and 1,647.33

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Solution

The fourth proportional to 1,790.70, 2,470.87 and 1,647.33 is: 2,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.70 : 2,470.87 = 1,647.33 : x
  2. Step 2: Convert to fraction form
    1,790.70/2,470.87 = 1,647.33/x
  3. Step 3: Cross multiply
    1,790.70x = 2,470.87 × 1,647.33
  4. Step 4: Simplify right side
    1,790.70x = 4,070,338.28
  5. Step 5: Solve for x
    x = 4,070,338.28/1,790.70
  6. Step 6: Final answer
    x = 2,273.04

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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.