Home / 2,762.08-3,811.73-1,503.22

Finding the Fourth Proportional to 2,762.08, 3,811.73 and 1,503.22

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Solution

The fourth proportional to 2,762.08, 3,811.73 and 1,503.22 is: 2,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.08 : 3,811.73 = 1,503.22 : x
  2. Step 2: Convert to fraction form
    2,762.08/3,811.73 = 1,503.22/x
  3. Step 3: Cross multiply
    2,762.08x = 3,811.73 × 1,503.22
  4. Step 4: Simplify right side
    2,762.08x = 5,729,868.77
  5. Step 5: Solve for x
    x = 5,729,868.77/2,762.08
  6. Step 6: Final answer
    x = 2,074.48

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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.