Home / 3,871.15-5,341.93-2,473.75

Finding the Fourth Proportional to 3,871.15, 5,341.93 and 2,473.75

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Solution

The fourth proportional to 3,871.15, 5,341.93 and 2,473.75 is: 3,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.15 : 5,341.93 = 2,473.75 : x
  2. Step 2: Convert to fraction form
    3,871.15/5,341.93 = 2,473.75/x
  3. Step 3: Cross multiply
    3,871.15x = 5,341.93 × 2,473.75
  4. Step 4: Simplify right side
    3,871.15x = 13,214,599.34
  5. Step 5: Solve for x
    x = 13,214,599.34/3,871.15
  6. Step 6: Final answer
    x = 3,413.61

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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.