Home / 2,746.12-3,788.66-2,116.84

Finding the Fourth Proportional to 2,746.12, 3,788.66 and 2,116.84

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Solution

The fourth proportional to 2,746.12, 3,788.66 and 2,116.84 is: 2,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.12 : 3,788.66 = 2,116.84 : x
  2. Step 2: Convert to fraction form
    2,746.12/3,788.66 = 2,116.84/x
  3. Step 3: Cross multiply
    2,746.12x = 3,788.66 × 2,116.84
  4. Step 4: Simplify right side
    2,746.12x = 8,019,987.03
  5. Step 5: Solve for x
    x = 8,019,987.03/2,746.12
  6. Step 6: Final answer
    x = 2,920.48

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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.