Home / 1,786.36-2,464.62-1,087.48

Finding the Fourth Proportional to 1,786.36, 2,464.62 and 1,087.48

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Solution

The fourth proportional to 1,786.36, 2,464.62 and 1,087.48 is: 1,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.36 : 2,464.62 = 1,087.48 : x
  2. Step 2: Convert to fraction form
    1,786.36/2,464.62 = 1,087.48/x
  3. Step 3: Cross multiply
    1,786.36x = 2,464.62 × 1,087.48
  4. Step 4: Simplify right side
    1,786.36x = 2,680,224.96
  5. Step 5: Solve for x
    x = 2,680,224.96/1,786.36
  6. Step 6: Final answer
    x = 1,500.38

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Half scale
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Double scale
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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.