Home / 3,134.66-4,318.31-2,637.32

Finding the Fourth Proportional to 3,134.66, 4,318.31 and 2,637.32

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Solution

The fourth proportional to 3,134.66, 4,318.31 and 2,637.32 is: 3,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.66 : 4,318.31 = 2,637.32 : x
  2. Step 2: Convert to fraction form
    3,134.66/4,318.31 = 2,637.32/x
  3. Step 3: Cross multiply
    3,134.66x = 4,318.31 × 2,637.32
  4. Step 4: Simplify right side
    3,134.66x = 11,388,750.33
  5. Step 5: Solve for x
    x = 11,388,750.33/3,134.66
  6. Step 6: Final answer
    x = 3,633.18

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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.