Home / 3,000.54-4,139.77-1,673.99

Finding the Fourth Proportional to 3,000.54, 4,139.77 and 1,673.99

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Solution

The fourth proportional to 3,000.54, 4,139.77 and 1,673.99 is: 2,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.54 : 4,139.77 = 1,673.99 : x
  2. Step 2: Convert to fraction form
    3,000.54/4,139.77 = 1,673.99/x
  3. Step 3: Cross multiply
    3,000.54x = 4,139.77 × 1,673.99
  4. Step 4: Simplify right side
    3,000.54x = 6,929,933.58
  5. Step 5: Solve for x
    x = 6,929,933.58/3,000.54
  6. Step 6: Final answer
    x = 2,309.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.