Home / 2,783.18-4,174.78-2,260.72

Finding the Fourth Proportional to 2,783.18, 4,174.78 and 2,260.72

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Solution

The fourth proportional to 2,783.18, 4,174.78 and 2,260.72 is: 3,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.18 : 4,174.78 = 2,260.72 : x
  2. Step 2: Convert to fraction form
    2,783.18/4,174.78 = 2,260.72/x
  3. Step 3: Cross multiply
    2,783.18x = 4,174.78 × 2,260.72
  4. Step 4: Simplify right side
    2,783.18x = 9,438,008.64
  5. Step 5: Solve for x
    x = 9,438,008.64/2,783.18
  6. Step 6: Final answer
    x = 3,391.09

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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.