Home / 1,933.70-2,668.51-1,049.50

Finding the Fourth Proportional to 1,933.70, 2,668.51 and 1,049.50

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Solution

The fourth proportional to 1,933.70, 2,668.51 and 1,049.50 is: 1,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.70 : 2,668.51 = 1,049.50 : x
  2. Step 2: Convert to fraction form
    1,933.70/2,668.51 = 1,049.50/x
  3. Step 3: Cross multiply
    1,933.70x = 2,668.51 × 1,049.50
  4. Step 4: Simplify right side
    1,933.70x = 2,800,590.88
  5. Step 5: Solve for x
    x = 2,800,590.88/1,933.70
  6. Step 6: Final answer
    x = 1,448.31

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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.