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Finding the Fourth Proportional to 2,599.94, 3,899.91 and 1,040.64

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Solution

The fourth proportional to 2,599.94, 3,899.91 and 1,040.64 is: 1,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.94 : 3,899.91 = 1,040.64 : x
  2. Step 2: Convert to fraction form
    2,599.94/3,899.91 = 1,040.64/x
  3. Step 3: Cross multiply
    2,599.94x = 3,899.91 × 1,040.64
  4. Step 4: Simplify right side
    2,599.94x = 4,058,402.34
  5. Step 5: Solve for x
    x = 4,058,402.34/2,599.94
  6. Step 6: Final answer
    x = 1,560.96

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Similar ratio
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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.