Home / 3,003.42-4,505.31-923.43

Finding the Fourth Proportional to 3,003.42, 4,505.31 and 923.43

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Solution

The fourth proportional to 3,003.42, 4,505.31 and 923.43 is: 1,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.42 : 4,505.31 = 923.43 : x
  2. Step 2: Convert to fraction form
    3,003.42/4,505.31 = 923.43/x
  3. Step 3: Cross multiply
    3,003.42x = 4,505.31 × 923.43
  4. Step 4: Simplify right side
    3,003.42x = 4,160,338.41
  5. Step 5: Solve for x
    x = 4,160,338.41/3,003.42
  6. Step 6: Final answer
    x = 1,385.20

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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.