Home / 1,933.62-2,668.34-1,071.24

Finding the Fourth Proportional to 1,933.62, 2,668.34 and 1,071.24

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Solution

The fourth proportional to 1,933.62, 2,668.34 and 1,071.24 is: 1,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.62 : 2,668.34 = 1,071.24 : x
  2. Step 2: Convert to fraction form
    1,933.62/2,668.34 = 1,071.24/x
  3. Step 3: Cross multiply
    1,933.62x = 2,668.34 × 1,071.24
  4. Step 4: Simplify right side
    1,933.62x = 2,858,427.19
  5. Step 5: Solve for x
    x = 2,858,427.19/1,933.62
  6. Step 6: Final answer
    x = 1,478.28

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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.