Home / 1,935.54-2,668.38-1,297.22

Finding the Fourth Proportional to 1,935.54, 2,668.38 and 1,297.22

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Solution

The fourth proportional to 1,935.54, 2,668.38 and 1,297.22 is: 1,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.54 : 2,668.38 = 1,297.22 : x
  2. Step 2: Convert to fraction form
    1,935.54/2,668.38 = 1,297.22/x
  3. Step 3: Cross multiply
    1,935.54x = 2,668.38 × 1,297.22
  4. Step 4: Simplify right side
    1,935.54x = 3,461,475.90
  5. Step 5: Solve for x
    x = 3,461,475.90/1,935.54
  6. Step 6: Final answer
    x = 1,788.38

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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.