Home / 2,784.33-4,176.11-704.21

Finding the Fourth Proportional to 2,784.33, 4,176.11 and 704.21

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Solution

The fourth proportional to 2,784.33, 4,176.11 and 704.21 is: 1,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.33 : 4,176.11 = 704.21 : x
  2. Step 2: Convert to fraction form
    2,784.33/4,176.11 = 704.21/x
  3. Step 3: Cross multiply
    2,784.33x = 4,176.11 × 704.21
  4. Step 4: Simplify right side
    2,784.33x = 2,940,835.34
  5. Step 5: Solve for x
    x = 2,940,835.34/2,784.33
  6. Step 6: Final answer
    x = 1,056.21

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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.