Home / 3,907.83-5,393.32-2,228.85

Finding the Fourth Proportional to 3,907.83, 5,393.32 and 2,228.85

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Solution

The fourth proportional to 3,907.83, 5,393.32 and 2,228.85 is: 3,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.83 : 5,393.32 = 2,228.85 : x
  2. Step 2: Convert to fraction form
    3,907.83/5,393.32 = 2,228.85/x
  3. Step 3: Cross multiply
    3,907.83x = 5,393.32 × 2,228.85
  4. Step 4: Simplify right side
    3,907.83x = 12,020,897.19
  5. Step 5: Solve for x
    x = 12,020,897.19/3,907.83
  6. Step 6: Final answer
    x = 3,076.11

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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.