Home / 3,735.45-5,155.11-2,056.86

Finding the Fourth Proportional to 3,735.45, 5,155.11 and 2,056.86

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Solution

The fourth proportional to 3,735.45, 5,155.11 and 2,056.86 is: 2,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.45 : 5,155.11 = 2,056.86 : x
  2. Step 2: Convert to fraction form
    3,735.45/5,155.11 = 2,056.86/x
  3. Step 3: Cross multiply
    3,735.45x = 5,155.11 × 2,056.86
  4. Step 4: Simplify right side
    3,735.45x = 10,603,339.55
  5. Step 5: Solve for x
    x = 10,603,339.55/3,735.45
  6. Step 6: Final answer
    x = 2,838.57

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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.