Home / 3,314.56-4,558.80-2,783.20

Finding the Fourth Proportional to 3,314.56, 4,558.80 and 2,783.20

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Solution

The fourth proportional to 3,314.56, 4,558.80 and 2,783.20 is: 3,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.56 : 4,558.80 = 2,783.20 : x
  2. Step 2: Convert to fraction form
    3,314.56/4,558.80 = 2,783.20/x
  3. Step 3: Cross multiply
    3,314.56x = 4,558.80 × 2,783.20
  4. Step 4: Simplify right side
    3,314.56x = 12,688,052.16
  5. Step 5: Solve for x
    x = 12,688,052.16/3,314.56
  6. Step 6: Final answer
    x = 3,827.97

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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.