Home / 2,802.27-3,868.16-2,277.39

Finding the Fourth Proportional to 2,802.27, 3,868.16 and 2,277.39

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Solution

The fourth proportional to 2,802.27, 3,868.16 and 2,277.39 is: 3,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.27 : 3,868.16 = 2,277.39 : x
  2. Step 2: Convert to fraction form
    2,802.27/3,868.16 = 2,277.39/x
  3. Step 3: Cross multiply
    2,802.27x = 3,868.16 × 2,277.39
  4. Step 4: Simplify right side
    2,802.27x = 8,809,297.52
  5. Step 5: Solve for x
    x = 8,809,297.52/2,802.27
  6. Step 6: Final answer
    x = 3,143.63

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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.