Home / 3,361.20-5,046.60-1,903.20

Finding the Fourth Proportional to 3,361.20, 5,046.60 and 1,903.20

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Solution

The fourth proportional to 3,361.20, 5,046.60 and 1,903.20 is: 2,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.20 : 5,046.60 = 1,903.20 : x
  2. Step 2: Convert to fraction form
    3,361.20/5,046.60 = 1,903.20/x
  3. Step 3: Cross multiply
    3,361.20x = 5,046.60 × 1,903.20
  4. Step 4: Simplify right side
    3,361.20x = 9,604,689.12
  5. Step 5: Solve for x
    x = 9,604,689.12/3,361.20
  6. Step 6: Final answer
    x = 2,857.52

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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.