Home / 2,837.16-3,917.22-2,172.84

Finding the Fourth Proportional to 2,837.16, 3,917.22 and 2,172.84

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Solution

The fourth proportional to 2,837.16, 3,917.22 and 2,172.84 is: 3,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.16 : 3,917.22 = 2,172.84 : x
  2. Step 2: Convert to fraction form
    2,837.16/3,917.22 = 2,172.84/x
  3. Step 3: Cross multiply
    2,837.16x = 3,917.22 × 2,172.84
  4. Step 4: Simplify right side
    2,837.16x = 8,511,492.30
  5. Step 5: Solve for x
    x = 8,511,492.30/2,837.16
  6. Step 6: Final answer
    x = 3,000.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.