Home / 3,331.18-4,989.75-1,850.32

Finding the Fourth Proportional to 3,331.18, 4,989.75 and 1,850.32

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Solution

The fourth proportional to 3,331.18, 4,989.75 and 1,850.32 is: 2,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.18 : 4,989.75 = 1,850.32 : x
  2. Step 2: Convert to fraction form
    3,331.18/4,989.75 = 1,850.32/x
  3. Step 3: Cross multiply
    3,331.18x = 4,989.75 × 1,850.32
  4. Step 4: Simplify right side
    3,331.18x = 9,232,634.22
  5. Step 5: Solve for x
    x = 9,232,634.22/3,331.18
  6. Step 6: Final answer
    x = 2,771.58

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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.