Home / 3,790.24-5,686.64-1,480.48

Finding the Fourth Proportional to 3,790.24, 5,686.64 and 1,480.48

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Solution

The fourth proportional to 3,790.24, 5,686.64 and 1,480.48 is: 2,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.24 : 5,686.64 = 1,480.48 : x
  2. Step 2: Convert to fraction form
    3,790.24/5,686.64 = 1,480.48/x
  3. Step 3: Cross multiply
    3,790.24x = 5,686.64 × 1,480.48
  4. Step 4: Simplify right side
    3,790.24x = 8,418,956.79
  5. Step 5: Solve for x
    x = 8,418,956.79/3,790.24
  6. Step 6: Final answer
    x = 2,221.22

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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.