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Finding the Fourth Proportional to 2,602.09, 3,903.12 and 1,062.01

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Solution

The fourth proportional to 2,602.09, 3,903.12 and 1,062.01 is: 1,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.09 : 3,903.12 = 1,062.01 : x
  2. Step 2: Convert to fraction form
    2,602.09/3,903.12 = 1,062.01/x
  3. Step 3: Cross multiply
    2,602.09x = 3,903.12 × 1,062.01
  4. Step 4: Simplify right side
    2,602.09x = 4,145,147.16
  5. Step 5: Solve for x
    x = 4,145,147.16/2,602.09
  6. Step 6: Final answer
    x = 1,593.01

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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.