Home / 3,492.70-4,820.31-2,000.86

Finding the Fourth Proportional to 3,492.70, 4,820.31 and 2,000.86

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Solution

The fourth proportional to 3,492.70, 4,820.31 and 2,000.86 is: 2,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.70 : 4,820.31 = 2,000.86 : x
  2. Step 2: Convert to fraction form
    3,492.70/4,820.31 = 2,000.86/x
  3. Step 3: Cross multiply
    3,492.70x = 4,820.31 × 2,000.86
  4. Step 4: Simplify right side
    3,492.70x = 9,644,765.47
  5. Step 5: Solve for x
    x = 9,644,765.47/3,492.70
  6. Step 6: Final answer
    x = 2,761.41

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1.5x scale

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.