Home / 3,156.68-4,735.02-2,000

Finding the Fourth Proportional to 3,156.68, 4,735.02 and 2,000

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Solution

The fourth proportional to 3,156.68, 4,735.02 and 2,000 is: 3,000

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.68 : 4,735.02 = 2,000 : x
  2. Step 2: Convert to fraction form
    3,156.68/4,735.02 = 2,000/x
  3. Step 3: Cross multiply
    3,156.68x = 4,735.02 × 2,000
  4. Step 4: Simplify right side
    3,156.68x = 9,470,040
  5. Step 5: Solve for x
    x = 9,470,040/3,156.68
  6. Step 6: Final answer
    x = 3,000

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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.