Home / 1,789.32-2,466.84-1,229.58

Finding the Fourth Proportional to 1,789.32, 2,466.84 and 1,229.58

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Solution

The fourth proportional to 1,789.32, 2,466.84 and 1,229.58 is: 1,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.32 : 2,466.84 = 1,229.58 : x
  2. Step 2: Convert to fraction form
    1,789.32/2,466.84 = 1,229.58/x
  3. Step 3: Cross multiply
    1,789.32x = 2,466.84 × 1,229.58
  4. Step 4: Simplify right side
    1,789.32x = 3,033,177.13
  5. Step 5: Solve for x
    x = 3,033,177.13/1,789.32
  6. Step 6: Final answer
    x = 1,695.16

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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.