Home / 2,845.42-4,234.98-2,818.06

Finding the Fourth Proportional to 2,845.42, 4,234.98 and 2,818.06

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Solution

The fourth proportional to 2,845.42, 4,234.98 and 2,818.06 is: 4,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.42 : 4,234.98 = 2,818.06 : x
  2. Step 2: Convert to fraction form
    2,845.42/4,234.98 = 2,818.06/x
  3. Step 3: Cross multiply
    2,845.42x = 4,234.98 × 2,818.06
  4. Step 4: Simplify right side
    2,845.42x = 11,934,427.74
  5. Step 5: Solve for x
    x = 11,934,427.74/2,845.42
  6. Step 6: Final answer
    x = 4,194.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.