Home / 2,808.94-4,212.64-1,165.10

Finding the Fourth Proportional to 2,808.94, 4,212.64 and 1,165.10

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Solution

The fourth proportional to 2,808.94, 4,212.64 and 1,165.10 is: 1,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.94 : 4,212.64 = 1,165.10 : x
  2. Step 2: Convert to fraction form
    2,808.94/4,212.64 = 1,165.10/x
  3. Step 3: Cross multiply
    2,808.94x = 4,212.64 × 1,165.10
  4. Step 4: Simplify right side
    2,808.94x = 4,908,146.86
  5. Step 5: Solve for x
    x = 4,908,146.86/2,808.94
  6. Step 6: Final answer
    x = 1,747.33

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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.