Home / 2,808.16-4,214.12-1,164.68

Finding the Fourth Proportional to 2,808.16, 4,214.12 and 1,164.68

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Solution

The fourth proportional to 2,808.16, 4,214.12 and 1,164.68 is: 1,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.16 : 4,214.12 = 1,164.68 : x
  2. Step 2: Convert to fraction form
    2,808.16/4,214.12 = 1,164.68/x
  3. Step 3: Cross multiply
    2,808.16x = 4,214.12 × 1,164.68
  4. Step 4: Simplify right side
    2,808.16x = 4,908,101.28
  5. Step 5: Solve for x
    x = 4,908,101.28/2,808.16
  6. Step 6: Final answer
    x = 1,747.80

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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.