Home / 2,910.43-4,015.49-1,651.39

Finding the Fourth Proportional to 2,910.43, 4,015.49 and 1,651.39

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Solution

The fourth proportional to 2,910.43, 4,015.49 and 1,651.39 is: 2,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.43 : 4,015.49 = 1,651.39 : x
  2. Step 2: Convert to fraction form
    2,910.43/4,015.49 = 1,651.39/x
  3. Step 3: Cross multiply
    2,910.43x = 4,015.49 × 1,651.39
  4. Step 4: Simplify right side
    2,910.43x = 6,631,140.03
  5. Step 5: Solve for x
    x = 6,631,140.03/2,910.43
  6. Step 6: Final answer
    x = 2,278.41

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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.