Home / 2,841.27-4,240.31-2,653.28

Finding the Fourth Proportional to 2,841.27, 4,240.31 and 2,653.28

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Solution

The fourth proportional to 2,841.27, 4,240.31 and 2,653.28 is: 3,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.27 : 4,240.31 = 2,653.28 : x
  2. Step 2: Convert to fraction form
    2,841.27/4,240.31 = 2,653.28/x
  3. Step 3: Cross multiply
    2,841.27x = 4,240.31 × 2,653.28
  4. Step 4: Simplify right side
    2,841.27x = 11,250,695.25
  5. Step 5: Solve for x
    x = 11,250,695.25/2,841.27
  6. Step 6: Final answer
    x = 3,959.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.