Home / 1,883.19-2,600-1,211.29

Finding the Fourth Proportional to 1,883.19, 2,600 and 1,211.29

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Solution

The fourth proportional to 1,883.19, 2,600 and 1,211.29 is: 1,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.19 : 2,600 = 1,211.29 : x
  2. Step 2: Convert to fraction form
    1,883.19/2,600 = 1,211.29/x
  3. Step 3: Cross multiply
    1,883.19x = 2,600 × 1,211.29
  4. Step 4: Simplify right side
    1,883.19x = 3,149,354
  5. Step 5: Solve for x
    x = 3,149,354/1,883.19
  6. Step 6: Final answer
    x = 1,672.35

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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.