Home / 2,817.15-4,226.63-1,173.87

Finding the Fourth Proportional to 2,817.15, 4,226.63 and 1,173.87

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Solution

The fourth proportional to 2,817.15, 4,226.63 and 1,173.87 is: 1,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.15 : 4,226.63 = 1,173.87 : x
  2. Step 2: Convert to fraction form
    2,817.15/4,226.63 = 1,173.87/x
  3. Step 3: Cross multiply
    2,817.15x = 4,226.63 × 1,173.87
  4. Step 4: Simplify right side
    2,817.15x = 4,961,508.29
  5. Step 5: Solve for x
    x = 4,961,508.29/2,817.15
  6. Step 6: Final answer
    x = 1,761.18

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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.