Home / 2,783.13-4,173.73-1,027.76

Finding the Fourth Proportional to 2,783.13, 4,173.73 and 1,027.76

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Solution

The fourth proportional to 2,783.13, 4,173.73 and 1,027.76 is: 1,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.13 : 4,173.73 = 1,027.76 : x
  2. Step 2: Convert to fraction form
    2,783.13/4,173.73 = 1,027.76/x
  3. Step 3: Cross multiply
    2,783.13x = 4,173.73 × 1,027.76
  4. Step 4: Simplify right side
    2,783.13x = 4,289,569.31
  5. Step 5: Solve for x
    x = 4,289,569.31/2,783.13
  6. Step 6: Final answer
    x = 1,541.28

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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.