Home / 2,254.78-3,371.06-1,911.94

Finding the Fourth Proportional to 2,254.78, 3,371.06 and 1,911.94

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Solution

The fourth proportional to 2,254.78, 3,371.06 and 1,911.94 is: 2,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.78 : 3,371.06 = 1,911.94 : x
  2. Step 2: Convert to fraction form
    2,254.78/3,371.06 = 1,911.94/x
  3. Step 3: Cross multiply
    2,254.78x = 3,371.06 × 1,911.94
  4. Step 4: Simplify right side
    2,254.78x = 6,445,264.46
  5. Step 5: Solve for x
    x = 6,445,264.46/2,254.78
  6. Step 6: Final answer
    x = 2,858.49

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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.