Home / 1,720.98-2,580.26-1,232.96

Finding the Fourth Proportional to 1,720.98, 2,580.26 and 1,232.96

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Solution

The fourth proportional to 1,720.98, 2,580.26 and 1,232.96 is: 1,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.98 : 2,580.26 = 1,232.96 : x
  2. Step 2: Convert to fraction form
    1,720.98/2,580.26 = 1,232.96/x
  3. Step 3: Cross multiply
    1,720.98x = 2,580.26 × 1,232.96
  4. Step 4: Simplify right side
    1,720.98x = 3,181,338.30
  5. Step 5: Solve for x
    x = 3,181,338.30/1,720.98
  6. Step 6: Final answer
    x = 1,848.56

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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.