Home / 2,977.99-4,110.19-1,719.85

Finding the Fourth Proportional to 2,977.99, 4,110.19 and 1,719.85

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Solution

The fourth proportional to 2,977.99, 4,110.19 and 1,719.85 is: 2,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.99 : 4,110.19 = 1,719.85 : x
  2. Step 2: Convert to fraction form
    2,977.99/4,110.19 = 1,719.85/x
  3. Step 3: Cross multiply
    2,977.99x = 4,110.19 × 1,719.85
  4. Step 4: Simplify right side
    2,977.99x = 7,068,910.27
  5. Step 5: Solve for x
    x = 7,068,910.27/2,977.99
  6. Step 6: Final answer
    x = 2,373.72

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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.