Home / 3,922.61-5,413.30-2,330.03

Finding the Fourth Proportional to 3,922.61, 5,413.30 and 2,330.03

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Solution

The fourth proportional to 3,922.61, 5,413.30 and 2,330.03 is: 3,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.61 : 5,413.30 = 2,330.03 : x
  2. Step 2: Convert to fraction form
    3,922.61/5,413.30 = 2,330.03/x
  3. Step 3: Cross multiply
    3,922.61x = 5,413.30 × 2,330.03
  4. Step 4: Simplify right side
    3,922.61x = 12,613,159.11
  5. Step 5: Solve for x
    x = 12,613,159.11/3,922.61
  6. Step 6: Final answer
    x = 3,215.51

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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.