Home / 3,278.26-4,935.88-2,890.77

Finding the Fourth Proportional to 3,278.26, 4,935.88 and 2,890.77

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Solution

The fourth proportional to 3,278.26, 4,935.88 and 2,890.77 is: 4,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.26 : 4,935.88 = 2,890.77 : x
  2. Step 2: Convert to fraction form
    3,278.26/4,935.88 = 2,890.77/x
  3. Step 3: Cross multiply
    3,278.26x = 4,935.88 × 2,890.77
  4. Step 4: Simplify right side
    3,278.26x = 14,268,493.83
  5. Step 5: Solve for x
    x = 14,268,493.83/3,278.26
  6. Step 6: Final answer
    x = 4,352.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.