Home / 3,103.55-4,649.07-1,435.32

Finding the Fourth Proportional to 3,103.55, 4,649.07 and 1,435.32

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Solution

The fourth proportional to 3,103.55, 4,649.07 and 1,435.32 is: 2,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.55 : 4,649.07 = 1,435.32 : x
  2. Step 2: Convert to fraction form
    3,103.55/4,649.07 = 1,435.32/x
  3. Step 3: Cross multiply
    3,103.55x = 4,649.07 × 1,435.32
  4. Step 4: Simplify right side
    3,103.55x = 6,672,903.15
  5. Step 5: Solve for x
    x = 6,672,903.15/3,103.55
  6. Step 6: Final answer
    x = 2,150.09

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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.