Home / 2,299.23-3,450.47-1,780.43

Finding the Fourth Proportional to 2,299.23, 3,450.47 and 1,780.43

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Solution

The fourth proportional to 2,299.23, 3,450.47 and 1,780.43 is: 2,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.23 : 3,450.47 = 1,780.43 : x
  2. Step 2: Convert to fraction form
    2,299.23/3,450.47 = 1,780.43/x
  3. Step 3: Cross multiply
    2,299.23x = 3,450.47 × 1,780.43
  4. Step 4: Simplify right side
    2,299.23x = 6,143,294.15
  5. Step 5: Solve for x
    x = 6,143,294.15/2,299.23
  6. Step 6: Final answer
    x = 2,671.89

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1.5x scale

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.