Home / 3,284.90-4,925.70-1,092.86

Finding the Fourth Proportional to 3,284.90, 4,925.70 and 1,092.86

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Solution

The fourth proportional to 3,284.90, 4,925.70 and 1,092.86 is: 1,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.90 : 4,925.70 = 1,092.86 : x
  2. Step 2: Convert to fraction form
    3,284.90/4,925.70 = 1,092.86/x
  3. Step 3: Cross multiply
    3,284.90x = 4,925.70 × 1,092.86
  4. Step 4: Simplify right side
    3,284.90x = 5,383,075.87
  5. Step 5: Solve for x
    x = 5,383,075.87/3,284.90
  6. Step 6: Final answer
    x = 1,638.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.