Home / 1,771.88-2,441.46-1,212.44

Finding the Fourth Proportional to 1,771.88, 2,441.46 and 1,212.44

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Solution

The fourth proportional to 1,771.88, 2,441.46 and 1,212.44 is: 1,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.88 : 2,441.46 = 1,212.44 : x
  2. Step 2: Convert to fraction form
    1,771.88/2,441.46 = 1,212.44/x
  3. Step 3: Cross multiply
    1,771.88x = 2,441.46 × 1,212.44
  4. Step 4: Simplify right side
    1,771.88x = 2,960,123.76
  5. Step 5: Solve for x
    x = 2,960,123.76/1,771.88
  6. Step 6: Final answer
    x = 1,670.61

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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.