Home / 3,433.58-5,146.90-1,352.78

Finding the Fourth Proportional to 3,433.58, 5,146.90 and 1,352.78

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Solution

The fourth proportional to 3,433.58, 5,146.90 and 1,352.78 is: 2,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.58 : 5,146.90 = 1,352.78 : x
  2. Step 2: Convert to fraction form
    3,433.58/5,146.90 = 1,352.78/x
  3. Step 3: Cross multiply
    3,433.58x = 5,146.90 × 1,352.78
  4. Step 4: Simplify right side
    3,433.58x = 6,962,610.51
  5. Step 5: Solve for x
    x = 6,962,610.51/3,433.58
  6. Step 6: Final answer
    x = 2,027.80

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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.