Home / 2,783.45-4,177.60-1,485.83

Finding the Fourth Proportional to 2,783.45, 4,177.60 and 1,485.83

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Solution

The fourth proportional to 2,783.45, 4,177.60 and 1,485.83 is: 2,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.45 : 4,177.60 = 1,485.83 : x
  2. Step 2: Convert to fraction form
    2,783.45/4,177.60 = 1,485.83/x
  3. Step 3: Cross multiply
    2,783.45x = 4,177.60 × 1,485.83
  4. Step 4: Simplify right side
    2,783.45x = 6,207,203.41
  5. Step 5: Solve for x
    x = 6,207,203.41/2,783.45
  6. Step 6: Final answer
    x = 2,230.04

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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.