Home / 2,684.41-4,004.32-2,639.86

Finding the Fourth Proportional to 2,684.41, 4,004.32 and 2,639.86

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Solution

The fourth proportional to 2,684.41, 4,004.32 and 2,639.86 is: 3,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.41 : 4,004.32 = 2,639.86 : x
  2. Step 2: Convert to fraction form
    2,684.41/4,004.32 = 2,639.86/x
  3. Step 3: Cross multiply
    2,684.41x = 4,004.32 × 2,639.86
  4. Step 4: Simplify right side
    2,684.41x = 10,570,831.00
  5. Step 5: Solve for x
    x = 10,570,831.00/2,684.41
  6. Step 6: Final answer
    x = 3,937.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.