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Finding the Fourth Proportional to 3,505.44, 4,837.44 and 1,912.10

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Solution

The fourth proportional to 3,505.44, 4,837.44 and 1,912.10 is: 2,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.44 : 4,837.44 = 1,912.10 : x
  2. Step 2: Convert to fraction form
    3,505.44/4,837.44 = 1,912.10/x
  3. Step 3: Cross multiply
    3,505.44x = 4,837.44 × 1,912.10
  4. Step 4: Simplify right side
    3,505.44x = 9,249,669.02
  5. Step 5: Solve for x
    x = 9,249,669.02/3,505.44
  6. Step 6: Final answer
    x = 2,638.66

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1.5x scale

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.