Home / 3,135.03-4,327.43-1,809.27

Finding the Fourth Proportional to 3,135.03, 4,327.43 and 1,809.27

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Solution

The fourth proportional to 3,135.03, 4,327.43 and 1,809.27 is: 2,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.03 : 4,327.43 = 1,809.27 : x
  2. Step 2: Convert to fraction form
    3,135.03/4,327.43 = 1,809.27/x
  3. Step 3: Cross multiply
    3,135.03x = 4,327.43 × 1,809.27
  4. Step 4: Simplify right side
    3,135.03x = 7,829,480.23
  5. Step 5: Solve for x
    x = 7,829,480.23/3,135.03
  6. Step 6: Final answer
    x = 2,497.42

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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.