Home / 2,910.28-4,015.50-1,651.05

Finding the Fourth Proportional to 2,910.28, 4,015.50 and 1,651.05

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Solution

The fourth proportional to 2,910.28, 4,015.50 and 1,651.05 is: 2,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.28 : 4,015.50 = 1,651.05 : x
  2. Step 2: Convert to fraction form
    2,910.28/4,015.50 = 1,651.05/x
  3. Step 3: Cross multiply
    2,910.28x = 4,015.50 × 1,651.05
  4. Step 4: Simplify right side
    2,910.28x = 6,629,762.94
  5. Step 5: Solve for x
    x = 6,629,762.94/2,910.28
  6. Step 6: Final answer
    x = 2,278.05

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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.