Home / 2,716.29-3,746.70-1,968.21

Finding the Fourth Proportional to 2,716.29, 3,746.70 and 1,968.21

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Solution

The fourth proportional to 2,716.29, 3,746.70 and 1,968.21 is: 2,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.29 : 3,746.70 = 1,968.21 : x
  2. Step 2: Convert to fraction form
    2,716.29/3,746.70 = 1,968.21/x
  3. Step 3: Cross multiply
    2,716.29x = 3,746.70 × 1,968.21
  4. Step 4: Simplify right side
    2,716.29x = 7,374,292.41
  5. Step 5: Solve for x
    x = 7,374,292.41/2,716.29
  6. Step 6: Final answer
    x = 2,714.84

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1.5x scale

Why These Related Problems?

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