Home / 3,677.47-5,074.40-2,185.09

Finding the Fourth Proportional to 3,677.47, 5,074.40 and 2,185.09

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Solution

The fourth proportional to 3,677.47, 5,074.40 and 2,185.09 is: 3,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.47 : 5,074.40 = 2,185.09 : x
  2. Step 2: Convert to fraction form
    3,677.47/5,074.40 = 2,185.09/x
  3. Step 3: Cross multiply
    3,677.47x = 5,074.40 × 2,185.09
  4. Step 4: Simplify right side
    3,677.47x = 11,088,013.47
  5. Step 5: Solve for x
    x = 11,088,013.47/3,677.47
  6. Step 6: Final answer
    x = 3,015.12

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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.