Home / 1,932.10-2,898.12-1,338.57

Finding the Fourth Proportional to 1,932.10, 2,898.12 and 1,338.57

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Solution

The fourth proportional to 1,932.10, 2,898.12 and 1,338.57 is: 2,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.10 : 2,898.12 = 1,338.57 : x
  2. Step 2: Convert to fraction form
    1,932.10/2,898.12 = 1,338.57/x
  3. Step 3: Cross multiply
    1,932.10x = 2,898.12 × 1,338.57
  4. Step 4: Simplify right side
    1,932.10x = 3,879,336.49
  5. Step 5: Solve for x
    x = 3,879,336.49/1,932.10
  6. Step 6: Final answer
    x = 2,007.84

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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.