Home / 2,043.19-3,068.18-1,380.35

Finding the Fourth Proportional to 2,043.19, 3,068.18 and 1,380.35

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Solution

The fourth proportional to 2,043.19, 3,068.18 and 1,380.35 is: 2,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.19 : 3,068.18 = 1,380.35 : x
  2. Step 2: Convert to fraction form
    2,043.19/3,068.18 = 1,380.35/x
  3. Step 3: Cross multiply
    2,043.19x = 3,068.18 × 1,380.35
  4. Step 4: Simplify right side
    2,043.19x = 4,235,162.26
  5. Step 5: Solve for x
    x = 4,235,162.26/2,043.19
  6. Step 6: Final answer
    x = 2,072.82

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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.