Home / 2,985.24-4,472.82-1,828.56

Finding the Fourth Proportional to 2,985.24, 4,472.82 and 1,828.56

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Solution

The fourth proportional to 2,985.24, 4,472.82 and 1,828.56 is: 2,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.24 : 4,472.82 = 1,828.56 : x
  2. Step 2: Convert to fraction form
    2,985.24/4,472.82 = 1,828.56/x
  3. Step 3: Cross multiply
    2,985.24x = 4,472.82 × 1,828.56
  4. Step 4: Simplify right side
    2,985.24x = 8,178,819.74
  5. Step 5: Solve for x
    x = 8,178,819.74/2,985.24
  6. Step 6: Final answer
    x = 2,739.75

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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.