Home / 3,415.45-4,708.98-2,294.61

Finding the Fourth Proportional to 3,415.45, 4,708.98 and 2,294.61

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Solution

The fourth proportional to 3,415.45, 4,708.98 and 2,294.61 is: 3,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.45 : 4,708.98 = 2,294.61 : x
  2. Step 2: Convert to fraction form
    3,415.45/4,708.98 = 2,294.61/x
  3. Step 3: Cross multiply
    3,415.45x = 4,708.98 × 2,294.61
  4. Step 4: Simplify right side
    3,415.45x = 10,805,272.60
  5. Step 5: Solve for x
    x = 10,805,272.60/3,415.45
  6. Step 6: Final answer
    x = 3,163.65

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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.