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Finding the Fourth Proportional to 1,668.90, 2,303.73 and 1,493.94

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Solution

The fourth proportional to 1,668.90, 2,303.73 and 1,493.94 is: 2,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.90 : 2,303.73 = 1,493.94 : x
  2. Step 2: Convert to fraction form
    1,668.90/2,303.73 = 1,493.94/x
  3. Step 3: Cross multiply
    1,668.90x = 2,303.73 × 1,493.94
  4. Step 4: Simplify right side
    1,668.90x = 3,441,634.40
  5. Step 5: Solve for x
    x = 3,441,634.40/1,668.90
  6. Step 6: Final answer
    x = 2,062.22

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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.