Home / 3,112.84-4,299.06-2,529.64

Finding the Fourth Proportional to 3,112.84, 4,299.06 and 2,529.64

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Solution

The fourth proportional to 3,112.84, 4,299.06 and 2,529.64 is: 3,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.84 : 4,299.06 = 2,529.64 : x
  2. Step 2: Convert to fraction form
    3,112.84/4,299.06 = 2,529.64/x
  3. Step 3: Cross multiply
    3,112.84x = 4,299.06 × 2,529.64
  4. Step 4: Simplify right side
    3,112.84x = 10,875,074.14
  5. Step 5: Solve for x
    x = 10,875,074.14/3,112.84
  6. Step 6: Final answer
    x = 3,493.62

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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.