Home / 3,236.51-4,467.60-1,977.63

Finding the Fourth Proportional to 3,236.51, 4,467.60 and 1,977.63

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Solution

The fourth proportional to 3,236.51, 4,467.60 and 1,977.63 is: 2,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.51 : 4,467.60 = 1,977.63 : x
  2. Step 2: Convert to fraction form
    3,236.51/4,467.60 = 1,977.63/x
  3. Step 3: Cross multiply
    3,236.51x = 4,467.60 × 1,977.63
  4. Step 4: Simplify right side
    3,236.51x = 8,835,259.79
  5. Step 5: Solve for x
    x = 8,835,259.79/3,236.51
  6. Step 6: Final answer
    x = 2,729.88

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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.