Home / 4,157.15-5,737.80-2,831.38

Finding the Fourth Proportional to 4,157.15, 5,737.80 and 2,831.38

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Solution

The fourth proportional to 4,157.15, 5,737.80 and 2,831.38 is: 3,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.15 : 5,737.80 = 2,831.38 : x
  2. Step 2: Convert to fraction form
    4,157.15/5,737.80 = 2,831.38/x
  3. Step 3: Cross multiply
    4,157.15x = 5,737.80 × 2,831.38
  4. Step 4: Simplify right side
    4,157.15x = 16,245,849.32
  5. Step 5: Solve for x
    x = 16,245,849.32/4,157.15
  6. Step 6: Final answer
    x = 3,907.93

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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.