Home / 2,820.60-3,892.46-2,354.04

Finding the Fourth Proportional to 2,820.60, 3,892.46 and 2,354.04

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Solution

The fourth proportional to 2,820.60, 3,892.46 and 2,354.04 is: 3,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.60 : 3,892.46 = 2,354.04 : x
  2. Step 2: Convert to fraction form
    2,820.60/3,892.46 = 2,354.04/x
  3. Step 3: Cross multiply
    2,820.60x = 3,892.46 × 2,354.04
  4. Step 4: Simplify right side
    2,820.60x = 9,163,006.54
  5. Step 5: Solve for x
    x = 9,163,006.54/2,820.60
  6. Step 6: Final answer
    x = 3,248.60

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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.