Home / 3,447.40-4,758.50-1,956.31

Finding the Fourth Proportional to 3,447.40, 4,758.50 and 1,956.31

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Solution

The fourth proportional to 3,447.40, 4,758.50 and 1,956.31 is: 2,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.40 : 4,758.50 = 1,956.31 : x
  2. Step 2: Convert to fraction form
    3,447.40/4,758.50 = 1,956.31/x
  3. Step 3: Cross multiply
    3,447.40x = 4,758.50 × 1,956.31
  4. Step 4: Simplify right side
    3,447.40x = 9,309,101.14
  5. Step 5: Solve for x
    x = 9,309,101.14/3,447.40
  6. Step 6: Final answer
    x = 2,700.33

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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.