Home / 2,265.83-3,126.40-1,369.38

Finding the Fourth Proportional to 2,265.83, 3,126.40 and 1,369.38

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Solution

The fourth proportional to 2,265.83, 3,126.40 and 1,369.38 is: 1,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.83 : 3,126.40 = 1,369.38 : x
  2. Step 2: Convert to fraction form
    2,265.83/3,126.40 = 1,369.38/x
  3. Step 3: Cross multiply
    2,265.83x = 3,126.40 × 1,369.38
  4. Step 4: Simplify right side
    2,265.83x = 4,281,229.63
  5. Step 5: Solve for x
    x = 4,281,229.63/2,265.83
  6. Step 6: Final answer
    x = 1,889.48

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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.