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Finding the Fourth Proportional to 2,998.50, 4,499.68 and 1,354.96

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Solution

The fourth proportional to 2,998.50, 4,499.68 and 1,354.96 is: 2,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.50 : 4,499.68 = 1,354.96 : x
  2. Step 2: Convert to fraction form
    2,998.50/4,499.68 = 1,354.96/x
  3. Step 3: Cross multiply
    2,998.50x = 4,499.68 × 1,354.96
  4. Step 4: Simplify right side
    2,998.50x = 6,096,886.41
  5. Step 5: Solve for x
    x = 6,096,886.41/2,998.50
  6. Step 6: Final answer
    x = 2,033.31

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1.5x scale

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.