Home / 2,783.30-4,171.70-1,548.86

Finding the Fourth Proportional to 2,783.30, 4,171.70 and 1,548.86

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Solution

The fourth proportional to 2,783.30, 4,171.70 and 1,548.86 is: 2,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.30 : 4,171.70 = 1,548.86 : x
  2. Step 2: Convert to fraction form
    2,783.30/4,171.70 = 1,548.86/x
  3. Step 3: Cross multiply
    2,783.30x = 4,171.70 × 1,548.86
  4. Step 4: Simplify right side
    2,783.30x = 6,461,362.28
  5. Step 5: Solve for x
    x = 6,461,362.28/2,783.30
  6. Step 6: Final answer
    x = 2,321.48

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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.