Home / 3,364.89-5,045.85-1,415.73

Finding the Fourth Proportional to 3,364.89, 5,045.85 and 1,415.73

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Solution

The fourth proportional to 3,364.89, 5,045.85 and 1,415.73 is: 2,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.89 : 5,045.85 = 1,415.73 : x
  2. Step 2: Convert to fraction form
    3,364.89/5,045.85 = 1,415.73/x
  3. Step 3: Cross multiply
    3,364.89x = 5,045.85 × 1,415.73
  4. Step 4: Simplify right side
    3,364.89x = 7,143,561.22
  5. Step 5: Solve for x
    x = 7,143,561.22/3,364.89
  6. Step 6: Final answer
    x = 2,122.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.