Home / 2,811.02-4,216.08-1,166.96

Finding the Fourth Proportional to 2,811.02, 4,216.08 and 1,166.96

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Solution

The fourth proportional to 2,811.02, 4,216.08 and 1,166.96 is: 1,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.02 : 4,216.08 = 1,166.96 : x
  2. Step 2: Convert to fraction form
    2,811.02/4,216.08 = 1,166.96/x
  3. Step 3: Cross multiply
    2,811.02x = 4,216.08 × 1,166.96
  4. Step 4: Simplify right side
    2,811.02x = 4,919,996.72
  5. Step 5: Solve for x
    x = 4,919,996.72/2,811.02
  6. Step 6: Final answer
    x = 1,750.25

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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.