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Finding the Fourth Proportional to 1,749.26, 2,413.96 and 963.31

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Solution

The fourth proportional to 1,749.26, 2,413.96 and 963.31 is: 1,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.26 : 2,413.96 = 963.31 : x
  2. Step 2: Convert to fraction form
    1,749.26/2,413.96 = 963.31/x
  3. Step 3: Cross multiply
    1,749.26x = 2,413.96 × 963.31
  4. Step 4: Simplify right side
    1,749.26x = 2,325,384.48
  5. Step 5: Solve for x
    x = 2,325,384.48/1,749.26
  6. Step 6: Final answer
    x = 1,329.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.