Home / 3,408.64-5,111.66-1,558.46

Finding the Fourth Proportional to 3,408.64, 5,111.66 and 1,558.46

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Solution

The fourth proportional to 3,408.64, 5,111.66 and 1,558.46 is: 2,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.64 : 5,111.66 = 1,558.46 : x
  2. Step 2: Convert to fraction form
    3,408.64/5,111.66 = 1,558.46/x
  3. Step 3: Cross multiply
    3,408.64x = 5,111.66 × 1,558.46
  4. Step 4: Simplify right side
    3,408.64x = 7,966,295.98
  5. Step 5: Solve for x
    x = 7,966,295.98/3,408.64
  6. Step 6: Final answer
    x = 2,337.09

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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.