Home / 2,402.70-3,315.33-1,906.44

Finding the Fourth Proportional to 2,402.70, 3,315.33 and 1,906.44

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Solution

The fourth proportional to 2,402.70, 3,315.33 and 1,906.44 is: 2,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.70 : 3,315.33 = 1,906.44 : x
  2. Step 2: Convert to fraction form
    2,402.70/3,315.33 = 1,906.44/x
  3. Step 3: Cross multiply
    2,402.70x = 3,315.33 × 1,906.44
  4. Step 4: Simplify right side
    2,402.70x = 6,320,477.73
  5. Step 5: Solve for x
    x = 6,320,477.73/2,402.70
  6. Step 6: Final answer
    x = 2,630.57

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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.