Home / 1,720.05-2,575.98-1,633.97

Finding the Fourth Proportional to 1,720.05, 2,575.98 and 1,633.97

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Solution

The fourth proportional to 1,720.05, 2,575.98 and 1,633.97 is: 2,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.05 : 2,575.98 = 1,633.97 : x
  2. Step 2: Convert to fraction form
    1,720.05/2,575.98 = 1,633.97/x
  3. Step 3: Cross multiply
    1,720.05x = 2,575.98 × 1,633.97
  4. Step 4: Simplify right side
    1,720.05x = 4,209,061.16
  5. Step 5: Solve for x
    x = 4,209,061.16/1,720.05
  6. Step 6: Final answer
    x = 2,447.06

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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.