Home / 1,789.00-2,466.92-1,230.28

Finding the Fourth Proportional to 1,789.00, 2,466.92 and 1,230.28

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Solution

The fourth proportional to 1,789.00, 2,466.92 and 1,230.28 is: 1,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.00 : 2,466.92 = 1,230.28 : x
  2. Step 2: Convert to fraction form
    1,789.00/2,466.92 = 1,230.28/x
  3. Step 3: Cross multiply
    1,789.00x = 2,466.92 × 1,230.28
  4. Step 4: Simplify right side
    1,789.00x = 3,034,999.25
  5. Step 5: Solve for x
    x = 3,034,999.25/1,789.00
  6. Step 6: Final answer
    x = 1,696.48

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1.5x scale

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.