Home / 2,668.11-3,681.62-1,488.95

Finding the Fourth Proportional to 2,668.11, 3,681.62 and 1,488.95

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Solution

The fourth proportional to 2,668.11, 3,681.62 and 1,488.95 is: 2,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.11 : 3,681.62 = 1,488.95 : x
  2. Step 2: Convert to fraction form
    2,668.11/3,681.62 = 1,488.95/x
  3. Step 3: Cross multiply
    2,668.11x = 3,681.62 × 1,488.95
  4. Step 4: Simplify right side
    2,668.11x = 5,481,748.10
  5. Step 5: Solve for x
    x = 5,481,748.10/2,668.11
  6. Step 6: Final answer
    x = 2,054.54

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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.