Home / 3,170.64-4,376.43-2,051.55

Finding the Fourth Proportional to 3,170.64, 4,376.43 and 2,051.55

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Solution

The fourth proportional to 3,170.64, 4,376.43 and 2,051.55 is: 2,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.64 : 4,376.43 = 2,051.55 : x
  2. Step 2: Convert to fraction form
    3,170.64/4,376.43 = 2,051.55/x
  3. Step 3: Cross multiply
    3,170.64x = 4,376.43 × 2,051.55
  4. Step 4: Simplify right side
    3,170.64x = 8,978,477.28
  5. Step 5: Solve for x
    x = 8,978,477.28/3,170.64
  6. Step 6: Final answer
    x = 2,831.75

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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.