Home / 2,712.12-3,744.33-1,718.25

Finding the Fourth Proportional to 2,712.12, 3,744.33 and 1,718.25

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Solution

The fourth proportional to 2,712.12, 3,744.33 and 1,718.25 is: 2,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.12 : 3,744.33 = 1,718.25 : x
  2. Step 2: Convert to fraction form
    2,712.12/3,744.33 = 1,718.25/x
  3. Step 3: Cross multiply
    2,712.12x = 3,744.33 × 1,718.25
  4. Step 4: Simplify right side
    2,712.12x = 6,433,695.02
  5. Step 5: Solve for x
    x = 6,433,695.02/2,712.12
  6. Step 6: Final answer
    x = 2,372.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.