Home / 2,965.45-4,446.34-1,274.83

Finding the Fourth Proportional to 2,965.45, 4,446.34 and 1,274.83

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Solution

The fourth proportional to 2,965.45, 4,446.34 and 1,274.83 is: 1,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.45 : 4,446.34 = 1,274.83 : x
  2. Step 2: Convert to fraction form
    2,965.45/4,446.34 = 1,274.83/x
  3. Step 3: Cross multiply
    2,965.45x = 4,446.34 × 1,274.83
  4. Step 4: Simplify right side
    2,965.45x = 5,668,327.62
  5. Step 5: Solve for x
    x = 5,668,327.62/2,965.45
  6. Step 6: Final answer
    x = 1,911.46

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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.