Home / 3,852.37-5,777.91-1,386.73

Finding the Fourth Proportional to 3,852.37, 5,777.91 and 1,386.73

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Solution

The fourth proportional to 3,852.37, 5,777.91 and 1,386.73 is: 2,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.37 : 5,777.91 = 1,386.73 : x
  2. Step 2: Convert to fraction form
    3,852.37/5,777.91 = 1,386.73/x
  3. Step 3: Cross multiply
    3,852.37x = 5,777.91 × 1,386.73
  4. Step 4: Simplify right side
    3,852.37x = 8,012,401.13
  5. Step 5: Solve for x
    x = 8,012,401.13/3,852.37
  6. Step 6: Final answer
    x = 2,079.86

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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.