Home / 3,435.77-4,736.19-2,688.43

Finding the Fourth Proportional to 3,435.77, 4,736.19 and 2,688.43

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Solution

The fourth proportional to 3,435.77, 4,736.19 and 2,688.43 is: 3,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.77 : 4,736.19 = 2,688.43 : x
  2. Step 2: Convert to fraction form
    3,435.77/4,736.19 = 2,688.43/x
  3. Step 3: Cross multiply
    3,435.77x = 4,736.19 × 2,688.43
  4. Step 4: Simplify right side
    3,435.77x = 12,732,915.28
  5. Step 5: Solve for x
    x = 12,732,915.28/3,435.77
  6. Step 6: Final answer
    x = 3,705.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.