Home / 3,023.02-4,533.99-831.25

Finding the Fourth Proportional to 3,023.02, 4,533.99 and 831.25

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Solution

The fourth proportional to 3,023.02, 4,533.99 and 831.25 is: 1,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.02 : 4,533.99 = 831.25 : x
  2. Step 2: Convert to fraction form
    3,023.02/4,533.99 = 831.25/x
  3. Step 3: Cross multiply
    3,023.02x = 4,533.99 × 831.25
  4. Step 4: Simplify right side
    3,023.02x = 3,768,879.19
  5. Step 5: Solve for x
    x = 3,768,879.19/3,023.02
  6. Step 6: Final answer
    x = 1,246.73

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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.