Home / 3,785.11-5,223.09-2,790.93

Finding the Fourth Proportional to 3,785.11, 5,223.09 and 2,790.93

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Solution

The fourth proportional to 3,785.11, 5,223.09 and 2,790.93 is: 3,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.11 : 5,223.09 = 2,790.93 : x
  2. Step 2: Convert to fraction form
    3,785.11/5,223.09 = 2,790.93/x
  3. Step 3: Cross multiply
    3,785.11x = 5,223.09 × 2,790.93
  4. Step 4: Simplify right side
    3,785.11x = 14,577,252.46
  5. Step 5: Solve for x
    x = 14,577,252.46/3,785.11
  6. Step 6: Final answer
    x = 3,851.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.