Home / 3,146.37-4,720.12-1,296.47

Finding the Fourth Proportional to 3,146.37, 4,720.12 and 1,296.47

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Solution

The fourth proportional to 3,146.37, 4,720.12 and 1,296.47 is: 1,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.37 : 4,720.12 = 1,296.47 : x
  2. Step 2: Convert to fraction form
    3,146.37/4,720.12 = 1,296.47/x
  3. Step 3: Cross multiply
    3,146.37x = 4,720.12 × 1,296.47
  4. Step 4: Simplify right side
    3,146.37x = 6,119,493.98
  5. Step 5: Solve for x
    x = 6,119,493.98/3,146.37
  6. Step 6: Final answer
    x = 1,944.94

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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.