Home / 3,002.21-4,497.93-1,831.61

Finding the Fourth Proportional to 3,002.21, 4,497.93 and 1,831.61

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Solution

The fourth proportional to 3,002.21, 4,497.93 and 1,831.61 is: 2,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.21 : 4,497.93 = 1,831.61 : x
  2. Step 2: Convert to fraction form
    3,002.21/4,497.93 = 1,831.61/x
  3. Step 3: Cross multiply
    3,002.21x = 4,497.93 × 1,831.61
  4. Step 4: Simplify right side
    3,002.21x = 8,238,464.81
  5. Step 5: Solve for x
    x = 8,238,464.81/3,002.21
  6. Step 6: Final answer
    x = 2,744.13

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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.