Home / 2,764.88-3,814.44-1,925.36

Finding the Fourth Proportional to 2,764.88, 3,814.44 and 1,925.36

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Solution

The fourth proportional to 2,764.88, 3,814.44 and 1,925.36 is: 2,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.88 : 3,814.44 = 1,925.36 : x
  2. Step 2: Convert to fraction form
    2,764.88/3,814.44 = 1,925.36/x
  3. Step 3: Cross multiply
    2,764.88x = 3,814.44 × 1,925.36
  4. Step 4: Simplify right side
    2,764.88x = 7,344,170.20
  5. Step 5: Solve for x
    x = 7,344,170.20/2,764.88
  6. Step 6: Final answer
    x = 2,656.23

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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.