Home / 1,669.53-2,499.62-1,298.96

Finding the Fourth Proportional to 1,669.53, 2,499.62 and 1,298.96

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Solution

The fourth proportional to 1,669.53, 2,499.62 and 1,298.96 is: 1,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.53 : 2,499.62 = 1,298.96 : x
  2. Step 2: Convert to fraction form
    1,669.53/2,499.62 = 1,298.96/x
  3. Step 3: Cross multiply
    1,669.53x = 2,499.62 × 1,298.96
  4. Step 4: Simplify right side
    1,669.53x = 3,246,893.90
  5. Step 5: Solve for x
    x = 3,246,893.90/1,669.53
  6. Step 6: Final answer
    x = 1,944.80

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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.