Home / 2,738.88-3,778.30-1,730.14

Finding the Fourth Proportional to 2,738.88, 3,778.30 and 1,730.14

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Solution

The fourth proportional to 2,738.88, 3,778.30 and 1,730.14 is: 2,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.88 : 3,778.30 = 1,730.14 : x
  2. Step 2: Convert to fraction form
    2,738.88/3,778.30 = 1,730.14/x
  3. Step 3: Cross multiply
    2,738.88x = 3,778.30 × 1,730.14
  4. Step 4: Simplify right side
    2,738.88x = 6,536,987.96
  5. Step 5: Solve for x
    x = 6,536,987.96/2,738.88
  6. Step 6: Final answer
    x = 2,386.74

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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.