Home / 3,146.45-4,339.35-2,201.76

Finding the Fourth Proportional to 3,146.45, 4,339.35 and 2,201.76

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Solution

The fourth proportional to 3,146.45, 4,339.35 and 2,201.76 is: 3,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.45 : 4,339.35 = 2,201.76 : x
  2. Step 2: Convert to fraction form
    3,146.45/4,339.35 = 2,201.76/x
  3. Step 3: Cross multiply
    3,146.45x = 4,339.35 × 2,201.76
  4. Step 4: Simplify right side
    3,146.45x = 9,554,207.26
  5. Step 5: Solve for x
    x = 9,554,207.26/3,146.45
  6. Step 6: Final answer
    x = 3,036.51

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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.