Home / 3,090.41-4,632.80-1,334.31

Finding the Fourth Proportional to 3,090.41, 4,632.80 and 1,334.31

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Solution

The fourth proportional to 3,090.41, 4,632.80 and 1,334.31 is: 2,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.41 : 4,632.80 = 1,334.31 : x
  2. Step 2: Convert to fraction form
    3,090.41/4,632.80 = 1,334.31/x
  3. Step 3: Cross multiply
    3,090.41x = 4,632.80 × 1,334.31
  4. Step 4: Simplify right side
    3,090.41x = 6,181,584.70
  5. Step 5: Solve for x
    x = 6,181,584.70/3,090.41
  6. Step 6: Final answer
    x = 2,000.25

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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.