Home / 2,064.20-3,096.26-831.57

Finding the Fourth Proportional to 2,064.20, 3,096.26 and 831.57

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Solution

The fourth proportional to 2,064.20, 3,096.26 and 831.57 is: 1,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.20 : 3,096.26 = 831.57 : x
  2. Step 2: Convert to fraction form
    2,064.20/3,096.26 = 831.57/x
  3. Step 3: Cross multiply
    2,064.20x = 3,096.26 × 831.57
  4. Step 4: Simplify right side
    2,064.20x = 2,574,756.93
  5. Step 5: Solve for x
    x = 2,574,756.93/2,064.20
  6. Step 6: Final answer
    x = 1,247.34

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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.