Home / 2,746.25-3,788.79-1,738.01

Finding the Fourth Proportional to 2,746.25, 3,788.79 and 1,738.01

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Solution

The fourth proportional to 2,746.25, 3,788.79 and 1,738.01 is: 2,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.25 : 3,788.79 = 1,738.01 : x
  2. Step 2: Convert to fraction form
    2,746.25/3,788.79 = 1,738.01/x
  3. Step 3: Cross multiply
    2,746.25x = 3,788.79 × 1,738.01
  4. Step 4: Simplify right side
    2,746.25x = 6,584,935.96
  5. Step 5: Solve for x
    x = 6,584,935.96/2,746.25
  6. Step 6: Final answer
    x = 2,397.80

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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.