Home / 2,808.73-4,210.80-2,114.02

Finding the Fourth Proportional to 2,808.73, 4,210.80 and 2,114.02

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Solution

The fourth proportional to 2,808.73, 4,210.80 and 2,114.02 is: 3,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.73 : 4,210.80 = 2,114.02 : x
  2. Step 2: Convert to fraction form
    2,808.73/4,210.80 = 2,114.02/x
  3. Step 3: Cross multiply
    2,808.73x = 4,210.80 × 2,114.02
  4. Step 4: Simplify right side
    2,808.73x = 8,901,715.42
  5. Step 5: Solve for x
    x = 8,901,715.42/2,808.73
  6. Step 6: Final answer
    x = 3,169.30

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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.