Home / 2,385.60-3,578.13-923.73

Finding the Fourth Proportional to 2,385.60, 3,578.13 and 923.73

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Solution

The fourth proportional to 2,385.60, 3,578.13 and 923.73 is: 1,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.60 : 3,578.13 = 923.73 : x
  2. Step 2: Convert to fraction form
    2,385.60/3,578.13 = 923.73/x
  3. Step 3: Cross multiply
    2,385.60x = 3,578.13 × 923.73
  4. Step 4: Simplify right side
    2,385.60x = 3,305,226.02
  5. Step 5: Solve for x
    x = 3,305,226.02/2,385.60
  6. Step 6: Final answer
    x = 1,385.49

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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.