Home / 3,410.58-5,106.75-1,947.72

Finding the Fourth Proportional to 3,410.58, 5,106.75 and 1,947.72

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Solution

The fourth proportional to 3,410.58, 5,106.75 and 1,947.72 is: 2,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.58 : 5,106.75 = 1,947.72 : x
  2. Step 2: Convert to fraction form
    3,410.58/5,106.75 = 1,947.72/x
  3. Step 3: Cross multiply
    3,410.58x = 5,106.75 × 1,947.72
  4. Step 4: Simplify right side
    3,410.58x = 9,946,519.11
  5. Step 5: Solve for x
    x = 9,946,519.11/3,410.58
  6. Step 6: Final answer
    x = 2,916.37

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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.