Home / 1,897.26-2,615.18-1,266.54

Finding the Fourth Proportional to 1,897.26, 2,615.18 and 1,266.54

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Solution

The fourth proportional to 1,897.26, 2,615.18 and 1,266.54 is: 1,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.26 : 2,615.18 = 1,266.54 : x
  2. Step 2: Convert to fraction form
    1,897.26/2,615.18 = 1,266.54/x
  3. Step 3: Cross multiply
    1,897.26x = 2,615.18 × 1,266.54
  4. Step 4: Simplify right side
    1,897.26x = 3,312,230.08
  5. Step 5: Solve for x
    x = 3,312,230.08/1,897.26
  6. Step 6: Final answer
    x = 1,745.80

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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.