Home / 1,956.13-2,930.48-1,693.39

Finding the Fourth Proportional to 1,956.13, 2,930.48 and 1,693.39

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Solution

The fourth proportional to 1,956.13, 2,930.48 and 1,693.39 is: 2,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.13 : 2,930.48 = 1,693.39 : x
  2. Step 2: Convert to fraction form
    1,956.13/2,930.48 = 1,693.39/x
  3. Step 3: Cross multiply
    1,956.13x = 2,930.48 × 1,693.39
  4. Step 4: Simplify right side
    1,956.13x = 4,962,441.58
  5. Step 5: Solve for x
    x = 4,962,441.58/1,956.13
  6. Step 6: Final answer
    x = 2,536.86

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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.