Home / 3,135.84-4,318.26-2,804.16

Finding the Fourth Proportional to 3,135.84, 4,318.26 and 2,804.16

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Solution

The fourth proportional to 3,135.84, 4,318.26 and 2,804.16 is: 3,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.84 : 4,318.26 = 2,804.16 : x
  2. Step 2: Convert to fraction form
    3,135.84/4,318.26 = 2,804.16/x
  3. Step 3: Cross multiply
    3,135.84x = 4,318.26 × 2,804.16
  4. Step 4: Simplify right side
    3,135.84x = 12,109,091.96
  5. Step 5: Solve for x
    x = 12,109,091.96/3,135.84
  6. Step 6: Final answer
    x = 3,861.51

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1.5x scale

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.