Home / 3,820.15-5,274.35-2,934.37

Finding the Fourth Proportional to 3,820.15, 5,274.35 and 2,934.37

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Solution

The fourth proportional to 3,820.15, 5,274.35 and 2,934.37 is: 4,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.15 : 5,274.35 = 2,934.37 : x
  2. Step 2: Convert to fraction form
    3,820.15/5,274.35 = 2,934.37/x
  3. Step 3: Cross multiply
    3,820.15x = 5,274.35 × 2,934.37
  4. Step 4: Simplify right side
    3,820.15x = 15,476,894.41
  5. Step 5: Solve for x
    x = 15,476,894.41/3,820.15
  6. Step 6: Final answer
    x = 4,051.38

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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.