Home / 2,068.50-3,103.21-1,977.68

Finding the Fourth Proportional to 2,068.50, 3,103.21 and 1,977.68

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Solution

The fourth proportional to 2,068.50, 3,103.21 and 1,977.68 is: 2,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.50 : 3,103.21 = 1,977.68 : x
  2. Step 2: Convert to fraction form
    2,068.50/3,103.21 = 1,977.68/x
  3. Step 3: Cross multiply
    2,068.50x = 3,103.21 × 1,977.68
  4. Step 4: Simplify right side
    2,068.50x = 6,137,166.58
  5. Step 5: Solve for x
    x = 6,137,166.58/2,068.50
  6. Step 6: Final answer
    x = 2,966.96

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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.