Home / 1,771.42-2,446.86-1,351.84

Finding the Fourth Proportional to 1,771.42, 2,446.86 and 1,351.84

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Solution

The fourth proportional to 1,771.42, 2,446.86 and 1,351.84 is: 1,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.42 : 2,446.86 = 1,351.84 : x
  2. Step 2: Convert to fraction form
    1,771.42/2,446.86 = 1,351.84/x
  3. Step 3: Cross multiply
    1,771.42x = 2,446.86 × 1,351.84
  4. Step 4: Simplify right side
    1,771.42x = 3,307,763.22
  5. Step 5: Solve for x
    x = 3,307,763.22/1,771.42
  6. Step 6: Final answer
    x = 1,867.29

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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.