Home / 3,003.35-4,505.70-923.45

Finding the Fourth Proportional to 3,003.35, 4,505.70 and 923.45

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Solution

The fourth proportional to 3,003.35, 4,505.70 and 923.45 is: 1,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.35 : 4,505.70 = 923.45 : x
  2. Step 2: Convert to fraction form
    3,003.35/4,505.70 = 923.45/x
  3. Step 3: Cross multiply
    3,003.35x = 4,505.70 × 923.45
  4. Step 4: Simplify right side
    3,003.35x = 4,160,788.67
  5. Step 5: Solve for x
    x = 4,160,788.67/3,003.35
  6. Step 6: Final answer
    x = 1,385.38

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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.