Home / 3,155.35-4,322.85-3,037.12

Finding the Fourth Proportional to 3,155.35, 4,322.85 and 3,037.12

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Solution

The fourth proportional to 3,155.35, 4,322.85 and 3,037.12 is: 4,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.35 : 4,322.85 = 3,037.12 : x
  2. Step 2: Convert to fraction form
    3,155.35/4,322.85 = 3,037.12/x
  3. Step 3: Cross multiply
    3,155.35x = 4,322.85 × 3,037.12
  4. Step 4: Simplify right side
    3,155.35x = 13,129,014.19
  5. Step 5: Solve for x
    x = 13,129,014.19/3,155.35
  6. Step 6: Final answer
    x = 4,160.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.