Home / 3,646.76-5,466.35-1,916.60

Finding the Fourth Proportional to 3,646.76, 5,466.35 and 1,916.60

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Solution

The fourth proportional to 3,646.76, 5,466.35 and 1,916.60 is: 2,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.76 : 5,466.35 = 1,916.60 : x
  2. Step 2: Convert to fraction form
    3,646.76/5,466.35 = 1,916.60/x
  3. Step 3: Cross multiply
    3,646.76x = 5,466.35 × 1,916.60
  4. Step 4: Simplify right side
    3,646.76x = 10,476,783.87
  5. Step 5: Solve for x
    x = 10,476,783.87/3,646.76
  6. Step 6: Final answer
    x = 2,872.91

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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.