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Finding the Fourth Proportional to 2,889.41, 4,333.63 and 1,040.18

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Solution

The fourth proportional to 2,889.41, 4,333.63 and 1,040.18 is: 1,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.41 : 4,333.63 = 1,040.18 : x
  2. Step 2: Convert to fraction form
    2,889.41/4,333.63 = 1,040.18/x
  3. Step 3: Cross multiply
    2,889.41x = 4,333.63 × 1,040.18
  4. Step 4: Simplify right side
    2,889.41x = 4,507,755.25
  5. Step 5: Solve for x
    x = 4,507,755.25/2,889.41
  6. Step 6: Final answer
    x = 1,560.10

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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.