Home / 3,090.56-4,636.14-1,336.20

Finding the Fourth Proportional to 3,090.56, 4,636.14 and 1,336.20

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Solution

The fourth proportional to 3,090.56, 4,636.14 and 1,336.20 is: 2,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.56 : 4,636.14 = 1,336.20 : x
  2. Step 2: Convert to fraction form
    3,090.56/4,636.14 = 1,336.20/x
  3. Step 3: Cross multiply
    3,090.56x = 4,636.14 × 1,336.20
  4. Step 4: Simplify right side
    3,090.56x = 6,194,787.87
  5. Step 5: Solve for x
    x = 6,194,787.87/3,090.56
  6. Step 6: Final answer
    x = 2,004.43

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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.