Home / 4,028.60-6,042.90-2,646.20

Finding the Fourth Proportional to 4,028.60, 6,042.90 and 2,646.20

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Solution

The fourth proportional to 4,028.60, 6,042.90 and 2,646.20 is: 3,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.60 : 6,042.90 = 2,646.20 : x
  2. Step 2: Convert to fraction form
    4,028.60/6,042.90 = 2,646.20/x
  3. Step 3: Cross multiply
    4,028.60x = 6,042.90 × 2,646.20
  4. Step 4: Simplify right side
    4,028.60x = 15,990,721.98
  5. Step 5: Solve for x
    x = 15,990,721.98/4,028.60
  6. Step 6: Final answer
    x = 3,969.30

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Similar ratio
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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.