Home / 3,133.02-4,325.13-1,806.47

Finding the Fourth Proportional to 3,133.02, 4,325.13 and 1,806.47

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Solution

The fourth proportional to 3,133.02, 4,325.13 and 1,806.47 is: 2,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.02 : 4,325.13 = 1,806.47 : x
  2. Step 2: Convert to fraction form
    3,133.02/4,325.13 = 1,806.47/x
  3. Step 3: Cross multiply
    3,133.02x = 4,325.13 × 1,806.47
  4. Step 4: Simplify right side
    3,133.02x = 7,813,217.59
  5. Step 5: Solve for x
    x = 7,813,217.59/3,133.02
  6. Step 6: Final answer
    x = 2,493.83

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Why These Related Problems?

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