Home / 3,165.16-4,742.78-1,932.26

Finding the Fourth Proportional to 3,165.16, 4,742.78 and 1,932.26

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Solution

The fourth proportional to 3,165.16, 4,742.78 and 1,932.26 is: 2,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.16 : 4,742.78 = 1,932.26 : x
  2. Step 2: Convert to fraction form
    3,165.16/4,742.78 = 1,932.26/x
  3. Step 3: Cross multiply
    3,165.16x = 4,742.78 × 1,932.26
  4. Step 4: Simplify right side
    3,165.16x = 9,164,284.08
  5. Step 5: Solve for x
    x = 9,164,284.08/3,165.16
  6. Step 6: Final answer
    x = 2,895.36

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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.