Home / 3,170.94-4,374.81-1,911.52

Finding the Fourth Proportional to 3,170.94, 4,374.81 and 1,911.52

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Solution

The fourth proportional to 3,170.94, 4,374.81 and 1,911.52 is: 2,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.94 : 4,374.81 = 1,911.52 : x
  2. Step 2: Convert to fraction form
    3,170.94/4,374.81 = 1,911.52/x
  3. Step 3: Cross multiply
    3,170.94x = 4,374.81 × 1,911.52
  4. Step 4: Simplify right side
    3,170.94x = 8,362,536.81
  5. Step 5: Solve for x
    x = 8,362,536.81/3,170.94
  6. Step 6: Final answer
    x = 2,637.24

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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.