Home / 1,720.96-2,577.98-795.22

Finding the Fourth Proportional to 1,720.96, 2,577.98 and 795.22

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Solution

The fourth proportional to 1,720.96, 2,577.98 and 795.22 is: 1,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.96 : 2,577.98 = 795.22 : x
  2. Step 2: Convert to fraction form
    1,720.96/2,577.98 = 795.22/x
  3. Step 3: Cross multiply
    1,720.96x = 2,577.98 × 795.22
  4. Step 4: Simplify right side
    1,720.96x = 2,050,061.26
  5. Step 5: Solve for x
    x = 2,050,061.26/1,720.96
  6. Step 6: Final answer
    x = 1,191.23

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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.