Home / 3,379.16-4,661.82-2,052.78

Finding the Fourth Proportional to 3,379.16, 4,661.82 and 2,052.78

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Solution

The fourth proportional to 3,379.16, 4,661.82 and 2,052.78 is: 2,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.16 : 4,661.82 = 2,052.78 : x
  2. Step 2: Convert to fraction form
    3,379.16/4,661.82 = 2,052.78/x
  3. Step 3: Cross multiply
    3,379.16x = 4,661.82 × 2,052.78
  4. Step 4: Simplify right side
    3,379.16x = 9,569,690.86
  5. Step 5: Solve for x
    x = 9,569,690.86/3,379.16
  6. Step 6: Final answer
    x = 2,831.98

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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.