Home / 2,864.96-4,297.44-1,219.76

Finding the Fourth Proportional to 2,864.96, 4,297.44 and 1,219.76

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Solution

The fourth proportional to 2,864.96, 4,297.44 and 1,219.76 is: 1,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.96 : 4,297.44 = 1,219.76 : x
  2. Step 2: Convert to fraction form
    2,864.96/4,297.44 = 1,219.76/x
  3. Step 3: Cross multiply
    2,864.96x = 4,297.44 × 1,219.76
  4. Step 4: Simplify right side
    2,864.96x = 5,241,845.41
  5. Step 5: Solve for x
    x = 5,241,845.41/2,864.96
  6. Step 6: Final answer
    x = 1,829.64

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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.