Home / 3,086.20-4,630.56-1,626.64

Finding the Fourth Proportional to 3,086.20, 4,630.56 and 1,626.64

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Solution

The fourth proportional to 3,086.20, 4,630.56 and 1,626.64 is: 2,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.20 : 4,630.56 = 1,626.64 : x
  2. Step 2: Convert to fraction form
    3,086.20/4,630.56 = 1,626.64/x
  3. Step 3: Cross multiply
    3,086.20x = 4,630.56 × 1,626.64
  4. Step 4: Simplify right side
    3,086.20x = 7,532,254.12
  5. Step 5: Solve for x
    x = 7,532,254.12/3,086.20
  6. Step 6: Final answer
    x = 2,440.62

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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.