Home / 1,899.20-2,846.48-1,553.23

Finding the Fourth Proportional to 1,899.20, 2,846.48 and 1,553.23

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Solution

The fourth proportional to 1,899.20, 2,846.48 and 1,553.23 is: 2,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.20 : 2,846.48 = 1,553.23 : x
  2. Step 2: Convert to fraction form
    1,899.20/2,846.48 = 1,553.23/x
  3. Step 3: Cross multiply
    1,899.20x = 2,846.48 × 1,553.23
  4. Step 4: Simplify right side
    1,899.20x = 4,421,233.92
  5. Step 5: Solve for x
    x = 4,421,233.92/1,899.20
  6. Step 6: Final answer
    x = 2,327.94

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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.