Home / 2,776.70-4,163.48-1,131.32

Finding the Fourth Proportional to 2,776.70, 4,163.48 and 1,131.32

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Solution

The fourth proportional to 2,776.70, 4,163.48 and 1,131.32 is: 1,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.70 : 4,163.48 = 1,131.32 : x
  2. Step 2: Convert to fraction form
    2,776.70/4,163.48 = 1,131.32/x
  3. Step 3: Cross multiply
    2,776.70x = 4,163.48 × 1,131.32
  4. Step 4: Simplify right side
    2,776.70x = 4,710,222.54
  5. Step 5: Solve for x
    x = 4,710,222.54/2,776.70
  6. Step 6: Final answer
    x = 1,696.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.