Home / 2,549.02-3,822.20-1,161.70

Finding the Fourth Proportional to 2,549.02, 3,822.20 and 1,161.70

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Solution

The fourth proportional to 2,549.02, 3,822.20 and 1,161.70 is: 1,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.02 : 3,822.20 = 1,161.70 : x
  2. Step 2: Convert to fraction form
    2,549.02/3,822.20 = 1,161.70/x
  3. Step 3: Cross multiply
    2,549.02x = 3,822.20 × 1,161.70
  4. Step 4: Simplify right side
    2,549.02x = 4,440,249.74
  5. Step 5: Solve for x
    x = 4,440,249.74/2,549.02
  6. Step 6: Final answer
    x = 1,741.94

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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.