Home / 3,112.01-4,288.67-2,226.28

Finding the Fourth Proportional to 3,112.01, 4,288.67 and 2,226.28

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Solution

The fourth proportional to 3,112.01, 4,288.67 and 2,226.28 is: 3,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.01 : 4,288.67 = 2,226.28 : x
  2. Step 2: Convert to fraction form
    3,112.01/4,288.67 = 2,226.28/x
  3. Step 3: Cross multiply
    3,112.01x = 4,288.67 × 2,226.28
  4. Step 4: Simplify right side
    3,112.01x = 9,547,780.25
  5. Step 5: Solve for x
    x = 9,547,780.25/3,112.01
  6. Step 6: Final answer
    x = 3,068.04

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