Home / 2,971.62-4,455.26-1,818.18

Finding the Fourth Proportional to 2,971.62, 4,455.26 and 1,818.18

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Solution

The fourth proportional to 2,971.62, 4,455.26 and 1,818.18 is: 2,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.62 : 4,455.26 = 1,818.18 : x
  2. Step 2: Convert to fraction form
    2,971.62/4,455.26 = 1,818.18/x
  3. Step 3: Cross multiply
    2,971.62x = 4,455.26 × 1,818.18
  4. Step 4: Simplify right side
    2,971.62x = 8,100,464.63
  5. Step 5: Solve for x
    x = 8,100,464.63/2,971.62
  6. Step 6: Final answer
    x = 2,725.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.