Home / 3,790.08-5,686.77-1,326.67

Finding the Fourth Proportional to 3,790.08, 5,686.77 and 1,326.67

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Solution

The fourth proportional to 3,790.08, 5,686.77 and 1,326.67 is: 1,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.08 : 5,686.77 = 1,326.67 : x
  2. Step 2: Convert to fraction form
    3,790.08/5,686.77 = 1,326.67/x
  3. Step 3: Cross multiply
    3,790.08x = 5,686.77 × 1,326.67
  4. Step 4: Simplify right side
    3,790.08x = 7,544,467.16
  5. Step 5: Solve for x
    x = 7,544,467.16/3,790.08
  6. Step 6: Final answer
    x = 1,990.58

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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.