Home / 3,068.28-4,612.14-2,640.60

Finding the Fourth Proportional to 3,068.28, 4,612.14 and 2,640.60

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Solution

The fourth proportional to 3,068.28, 4,612.14 and 2,640.60 is: 3,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.28 : 4,612.14 = 2,640.60 : x
  2. Step 2: Convert to fraction form
    3,068.28/4,612.14 = 2,640.60/x
  3. Step 3: Cross multiply
    3,068.28x = 4,612.14 × 2,640.60
  4. Step 4: Simplify right side
    3,068.28x = 12,178,816.88
  5. Step 5: Solve for x
    x = 12,178,816.88/3,068.28
  6. Step 6: Final answer
    x = 3,969.27

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1.5x scale

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.