Home / 3,804.31-5,245.81-2,475.55

Finding the Fourth Proportional to 3,804.31, 5,245.81 and 2,475.55

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Solution

The fourth proportional to 3,804.31, 5,245.81 and 2,475.55 is: 3,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.31 : 5,245.81 = 2,475.55 : x
  2. Step 2: Convert to fraction form
    3,804.31/5,245.81 = 2,475.55/x
  3. Step 3: Cross multiply
    3,804.31x = 5,245.81 × 2,475.55
  4. Step 4: Simplify right side
    3,804.31x = 12,986,264.95
  5. Step 5: Solve for x
    x = 12,986,264.95/3,804.31
  6. Step 6: Final answer
    x = 3,413.57

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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.