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Finding the Fourth Proportional to 2,668.03, 3,681.68 and 1,548.79

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Solution

The fourth proportional to 2,668.03, 3,681.68 and 1,548.79 is: 2,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.03 : 3,681.68 = 1,548.79 : x
  2. Step 2: Convert to fraction form
    2,668.03/3,681.68 = 1,548.79/x
  3. Step 3: Cross multiply
    2,668.03x = 3,681.68 × 1,548.79
  4. Step 4: Simplify right side
    2,668.03x = 5,702,128.22
  5. Step 5: Solve for x
    x = 5,702,128.22/2,668.03
  6. Step 6: Final answer
    x = 2,137.21

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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.