Home / 3,022.89-4,534.32-831.93

Finding the Fourth Proportional to 3,022.89, 4,534.32 and 831.93

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Solution

The fourth proportional to 3,022.89, 4,534.32 and 831.93 is: 1,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.89 : 4,534.32 = 831.93 : x
  2. Step 2: Convert to fraction form
    3,022.89/4,534.32 = 831.93/x
  3. Step 3: Cross multiply
    3,022.89x = 4,534.32 × 831.93
  4. Step 4: Simplify right side
    3,022.89x = 3,772,236.84
  5. Step 5: Solve for x
    x = 3,772,236.84/3,022.89
  6. Step 6: Final answer
    x = 1,247.89

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1.5x scale

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.