Home / 2,688.25-4,027.82-1,646.07

Finding the Fourth Proportional to 2,688.25, 4,027.82 and 1,646.07

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Solution

The fourth proportional to 2,688.25, 4,027.82 and 1,646.07 is: 2,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.25 : 4,027.82 = 1,646.07 : x
  2. Step 2: Convert to fraction form
    2,688.25/4,027.82 = 1,646.07/x
  3. Step 3: Cross multiply
    2,688.25x = 4,027.82 × 1,646.07
  4. Step 4: Simplify right side
    2,688.25x = 6,630,069.64
  5. Step 5: Solve for x
    x = 6,630,069.64/2,688.25
  6. Step 6: Final answer
    x = 2,466.32

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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.