Home / 1,955.68-2,930.99-1,491.75

Finding the Fourth Proportional to 1,955.68, 2,930.99 and 1,491.75

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Solution

The fourth proportional to 1,955.68, 2,930.99 and 1,491.75 is: 2,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.68 : 2,930.99 = 1,491.75 : x
  2. Step 2: Convert to fraction form
    1,955.68/2,930.99 = 1,491.75/x
  3. Step 3: Cross multiply
    1,955.68x = 2,930.99 × 1,491.75
  4. Step 4: Simplify right side
    1,955.68x = 4,372,296.87
  5. Step 5: Solve for x
    x = 4,372,296.87/1,955.68
  6. Step 6: Final answer
    x = 2,235.69

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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.