Home / 3,410.63-4,706.69-1,918.53

Finding the Fourth Proportional to 3,410.63, 4,706.69 and 1,918.53

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Solution

The fourth proportional to 3,410.63, 4,706.69 and 1,918.53 is: 2,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.63 : 4,706.69 = 1,918.53 : x
  2. Step 2: Convert to fraction form
    3,410.63/4,706.69 = 1,918.53/x
  3. Step 3: Cross multiply
    3,410.63x = 4,706.69 × 1,918.53
  4. Step 4: Simplify right side
    3,410.63x = 9,029,916.37
  5. Step 5: Solve for x
    x = 9,029,916.37/3,410.63
  6. Step 6: Final answer
    x = 2,647.58

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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.