Home / 3,155.27-4,353.74-2,037.69

Finding the Fourth Proportional to 3,155.27, 4,353.74 and 2,037.69

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Solution

The fourth proportional to 3,155.27, 4,353.74 and 2,037.69 is: 2,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.27 : 4,353.74 = 2,037.69 : x
  2. Step 2: Convert to fraction form
    3,155.27/4,353.74 = 2,037.69/x
  3. Step 3: Cross multiply
    3,155.27x = 4,353.74 × 2,037.69
  4. Step 4: Simplify right side
    3,155.27x = 8,871,562.27
  5. Step 5: Solve for x
    x = 8,871,562.27/3,155.27
  6. Step 6: Final answer
    x = 2,811.67

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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.