Home / 1,669.14-2,500.02-1,635.90

Finding the Fourth Proportional to 1,669.14, 2,500.02 and 1,635.90

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Solution

The fourth proportional to 1,669.14, 2,500.02 and 1,635.90 is: 2,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.14 : 2,500.02 = 1,635.90 : x
  2. Step 2: Convert to fraction form
    1,669.14/2,500.02 = 1,635.90/x
  3. Step 3: Cross multiply
    1,669.14x = 2,500.02 × 1,635.90
  4. Step 4: Simplify right side
    1,669.14x = 4,089,782.72
  5. Step 5: Solve for x
    x = 4,089,782.72/1,669.14
  6. Step 6: Final answer
    x = 2,450.23

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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.