Home / 2,762.24-3,811.20-2,237.28

Finding the Fourth Proportional to 2,762.24, 3,811.20 and 2,237.28

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Solution

The fourth proportional to 2,762.24, 3,811.20 and 2,237.28 is: 3,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.24 : 3,811.20 = 2,237.28 : x
  2. Step 2: Convert to fraction form
    2,762.24/3,811.20 = 2,237.28/x
  3. Step 3: Cross multiply
    2,762.24x = 3,811.20 × 2,237.28
  4. Step 4: Simplify right side
    2,762.24x = 8,526,721.54
  5. Step 5: Solve for x
    x = 8,526,721.54/2,762.24
  6. Step 6: Final answer
    x = 3,086.89

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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.