Home / 1,789.64-2,470.57-1,193.13

Finding the Fourth Proportional to 1,789.64, 2,470.57 and 1,193.13

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Solution

The fourth proportional to 1,789.64, 2,470.57 and 1,193.13 is: 1,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.64 : 2,470.57 = 1,193.13 : x
  2. Step 2: Convert to fraction form
    1,789.64/2,470.57 = 1,193.13/x
  3. Step 3: Cross multiply
    1,789.64x = 2,470.57 × 1,193.13
  4. Step 4: Simplify right side
    1,789.64x = 2,947,708.20
  5. Step 5: Solve for x
    x = 2,947,708.20/1,789.64
  6. Step 6: Final answer
    x = 1,647.09

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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.