Home / 3,068.60-4,211.12-2,874.20

Finding the Fourth Proportional to 3,068.60, 4,211.12 and 2,874.20

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Solution

The fourth proportional to 3,068.60, 4,211.12 and 2,874.20 is: 3,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.60 : 4,211.12 = 2,874.20 : x
  2. Step 2: Convert to fraction form
    3,068.60/4,211.12 = 2,874.20/x
  3. Step 3: Cross multiply
    3,068.60x = 4,211.12 × 2,874.20
  4. Step 4: Simplify right side
    3,068.60x = 12,103,601.10
  5. Step 5: Solve for x
    x = 12,103,601.10/3,068.60
  6. Step 6: Final answer
    x = 3,944.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.