Home / 2,935.56-4,403.12-1,086.32

Finding the Fourth Proportional to 2,935.56, 4,403.12 and 1,086.32

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Solution

The fourth proportional to 2,935.56, 4,403.12 and 1,086.32 is: 1,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.56 : 4,403.12 = 1,086.32 : x
  2. Step 2: Convert to fraction form
    2,935.56/4,403.12 = 1,086.32/x
  3. Step 3: Cross multiply
    2,935.56x = 4,403.12 × 1,086.32
  4. Step 4: Simplify right side
    2,935.56x = 4,783,197.32
  5. Step 5: Solve for x
    x = 4,783,197.32/2,935.56
  6. Step 6: Final answer
    x = 1,629.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.