Home / 3,247.02-4,871.88-1,786.05

Finding the Fourth Proportional to 3,247.02, 4,871.88 and 1,786.05

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Solution

The fourth proportional to 3,247.02, 4,871.88 and 1,786.05 is: 2,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.02 : 4,871.88 = 1,786.05 : x
  2. Step 2: Convert to fraction form
    3,247.02/4,871.88 = 1,786.05/x
  3. Step 3: Cross multiply
    3,247.02x = 4,871.88 × 1,786.05
  4. Step 4: Simplify right side
    3,247.02x = 8,701,421.27
  5. Step 5: Solve for x
    x = 8,701,421.27/3,247.02
  6. Step 6: Final answer
    x = 2,679.82

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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.