Home / 2,143.44-2,956.31-1,845.18

Finding the Fourth Proportional to 2,143.44, 2,956.31 and 1,845.18

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Solution

The fourth proportional to 2,143.44, 2,956.31 and 1,845.18 is: 2,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.44 : 2,956.31 = 1,845.18 : x
  2. Step 2: Convert to fraction form
    2,143.44/2,956.31 = 1,845.18/x
  3. Step 3: Cross multiply
    2,143.44x = 2,956.31 × 1,845.18
  4. Step 4: Simplify right side
    2,143.44x = 5,454,909.30
  5. Step 5: Solve for x
    x = 5,454,909.30/2,143.44
  6. Step 6: Final answer
    x = 2,544.94

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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.