Home / 3,644.10-5,466.78-1,335.60

Finding the Fourth Proportional to 3,644.10, 5,466.78 and 1,335.60

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Solution

The fourth proportional to 3,644.10, 5,466.78 and 1,335.60 is: 2,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.10 : 5,466.78 = 1,335.60 : x
  2. Step 2: Convert to fraction form
    3,644.10/5,466.78 = 1,335.60/x
  3. Step 3: Cross multiply
    3,644.10x = 5,466.78 × 1,335.60
  4. Step 4: Simplify right side
    3,644.10x = 7,301,431.37
  5. Step 5: Solve for x
    x = 7,301,431.37/3,644.10
  6. Step 6: Final answer
    x = 2,003.63

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1.5x scale

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.