Home / 3,146.06-4,341.57-1,729.77

Finding the Fourth Proportional to 3,146.06, 4,341.57 and 1,729.77

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Solution

The fourth proportional to 3,146.06, 4,341.57 and 1,729.77 is: 2,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.06 : 4,341.57 = 1,729.77 : x
  2. Step 2: Convert to fraction form
    3,146.06/4,341.57 = 1,729.77/x
  3. Step 3: Cross multiply
    3,146.06x = 4,341.57 × 1,729.77
  4. Step 4: Simplify right side
    3,146.06x = 7,509,922.44
  5. Step 5: Solve for x
    x = 7,509,922.44/3,146.06
  6. Step 6: Final answer
    x = 2,387.09

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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.