Home / 3,778.35-5,669.73-1,586.91

Finding the Fourth Proportional to 3,778.35, 5,669.73 and 1,586.91

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Solution

The fourth proportional to 3,778.35, 5,669.73 and 1,586.91 is: 2,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.35 : 5,669.73 = 1,586.91 : x
  2. Step 2: Convert to fraction form
    3,778.35/5,669.73 = 1,586.91/x
  3. Step 3: Cross multiply
    3,778.35x = 5,669.73 × 1,586.91
  4. Step 4: Simplify right side
    3,778.35x = 8,997,351.23
  5. Step 5: Solve for x
    x = 8,997,351.23/3,778.35
  6. Step 6: Final answer
    x = 2,381.29

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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.