Home / 2,558.17-3,845.81-2,099.35

Finding the Fourth Proportional to 2,558.17, 3,845.81 and 2,099.35

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Solution

The fourth proportional to 2,558.17, 3,845.81 and 2,099.35 is: 3,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.17 : 3,845.81 = 2,099.35 : x
  2. Step 2: Convert to fraction form
    2,558.17/3,845.81 = 2,099.35/x
  3. Step 3: Cross multiply
    2,558.17x = 3,845.81 × 2,099.35
  4. Step 4: Simplify right side
    2,558.17x = 8,073,701.22
  5. Step 5: Solve for x
    x = 8,073,701.22/2,558.17
  6. Step 6: Final answer
    x = 3,156.05

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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.