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Finding the Fourth Proportional to 1,604.95, 2,403.07 and 833.83

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Solution

The fourth proportional to 1,604.95, 2,403.07 and 833.83 is: 1,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.95 : 2,403.07 = 833.83 : x
  2. Step 2: Convert to fraction form
    1,604.95/2,403.07 = 833.83/x
  3. Step 3: Cross multiply
    1,604.95x = 2,403.07 × 833.83
  4. Step 4: Simplify right side
    1,604.95x = 2,003,751.86
  5. Step 5: Solve for x
    x = 2,003,751.86/1,604.95
  6. Step 6: Final answer
    x = 1,248.48

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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.