Home / 3,025.24-4,174.78-1,783

Finding the Fourth Proportional to 3,025.24, 4,174.78 and 1,783

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Solution

The fourth proportional to 3,025.24, 4,174.78 and 1,783 is: 2,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.24 : 4,174.78 = 1,783 : x
  2. Step 2: Convert to fraction form
    3,025.24/4,174.78 = 1,783/x
  3. Step 3: Cross multiply
    3,025.24x = 4,174.78 × 1,783
  4. Step 4: Simplify right side
    3,025.24x = 7,443,632.74
  5. Step 5: Solve for x
    x = 7,443,632.74/3,025.24
  6. Step 6: Final answer
    x = 2,460.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.