Home / 2,668.38-4,002.55-1,026.07

Finding the Fourth Proportional to 2,668.38, 4,002.55 and 1,026.07

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Solution

The fourth proportional to 2,668.38, 4,002.55 and 1,026.07 is: 1,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.38 : 4,002.55 = 1,026.07 : x
  2. Step 2: Convert to fraction form
    2,668.38/4,002.55 = 1,026.07/x
  3. Step 3: Cross multiply
    2,668.38x = 4,002.55 × 1,026.07
  4. Step 4: Simplify right side
    2,668.38x = 4,106,896.48
  5. Step 5: Solve for x
    x = 4,106,896.48/2,668.38
  6. Step 6: Final answer
    x = 1,539.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.