Home / 3,090.96-4,265.26-1,831.68

Finding the Fourth Proportional to 3,090.96, 4,265.26 and 1,831.68

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Solution

The fourth proportional to 3,090.96, 4,265.26 and 1,831.68 is: 2,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.96 : 4,265.26 = 1,831.68 : x
  2. Step 2: Convert to fraction form
    3,090.96/4,265.26 = 1,831.68/x
  3. Step 3: Cross multiply
    3,090.96x = 4,265.26 × 1,831.68
  4. Step 4: Simplify right side
    3,090.96x = 7,812,586.86
  5. Step 5: Solve for x
    x = 7,812,586.86/3,090.96
  6. Step 6: Final answer
    x = 2,527.56

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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.