Home / 1,738.36-2,400.84-1,181.44

Finding the Fourth Proportional to 1,738.36, 2,400.84 and 1,181.44

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Solution

The fourth proportional to 1,738.36, 2,400.84 and 1,181.44 is: 1,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.36 : 2,400.84 = 1,181.44 : x
  2. Step 2: Convert to fraction form
    1,738.36/2,400.84 = 1,181.44/x
  3. Step 3: Cross multiply
    1,738.36x = 2,400.84 × 1,181.44
  4. Step 4: Simplify right side
    1,738.36x = 2,836,448.41
  5. Step 5: Solve for x
    x = 2,836,448.41/1,738.36
  6. Step 6: Final answer
    x = 1,631.68

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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.