Home / 2,803.88-3,846.54-2,636.36

Finding the Fourth Proportional to 2,803.88, 3,846.54 and 2,636.36

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Solution

The fourth proportional to 2,803.88, 3,846.54 and 2,636.36 is: 3,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.88 : 3,846.54 = 2,636.36 : x
  2. Step 2: Convert to fraction form
    2,803.88/3,846.54 = 2,636.36/x
  3. Step 3: Cross multiply
    2,803.88x = 3,846.54 × 2,636.36
  4. Step 4: Simplify right side
    2,803.88x = 10,140,864.19
  5. Step 5: Solve for x
    x = 10,140,864.19/2,803.88
  6. Step 6: Final answer
    x = 3,616.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.