Home / 2,518.68-3,783.84-1,479.36

Finding the Fourth Proportional to 2,518.68, 3,783.84 and 1,479.36

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Solution

The fourth proportional to 2,518.68, 3,783.84 and 1,479.36 is: 2,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.68 : 3,783.84 = 1,479.36 : x
  2. Step 2: Convert to fraction form
    2,518.68/3,783.84 = 1,479.36/x
  3. Step 3: Cross multiply
    2,518.68x = 3,783.84 × 1,479.36
  4. Step 4: Simplify right side
    2,518.68x = 5,597,661.54
  5. Step 5: Solve for x
    x = 5,597,661.54/2,518.68
  6. Step 6: Final answer
    x = 2,222.46

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1.5x scale

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.