Home / 2,803.55-4,201.72-1,161.23

Finding the Fourth Proportional to 2,803.55, 4,201.72 and 1,161.23

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Solution

The fourth proportional to 2,803.55, 4,201.72 and 1,161.23 is: 1,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.55 : 4,201.72 = 1,161.23 : x
  2. Step 2: Convert to fraction form
    2,803.55/4,201.72 = 1,161.23/x
  3. Step 3: Cross multiply
    2,803.55x = 4,201.72 × 1,161.23
  4. Step 4: Simplify right side
    2,803.55x = 4,879,163.32
  5. Step 5: Solve for x
    x = 4,879,163.32/2,803.55
  6. Step 6: Final answer
    x = 1,740.35

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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.