Home / 4,141.80-5,710.09-2,813.20

Finding the Fourth Proportional to 4,141.80, 5,710.09 and 2,813.20

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Solution

The fourth proportional to 4,141.80, 5,710.09 and 2,813.20 is: 3,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.80 : 5,710.09 = 2,813.20 : x
  2. Step 2: Convert to fraction form
    4,141.80/5,710.09 = 2,813.20/x
  3. Step 3: Cross multiply
    4,141.80x = 5,710.09 × 2,813.20
  4. Step 4: Simplify right side
    4,141.80x = 16,063,625.19
  5. Step 5: Solve for x
    x = 16,063,625.19/4,141.80
  6. Step 6: Final answer
    x = 3,878.42

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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.