Home / 2,764.76-3,815.36-1,522.76

Finding the Fourth Proportional to 2,764.76, 3,815.36 and 1,522.76

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Solution

The fourth proportional to 2,764.76, 3,815.36 and 1,522.76 is: 2,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.76 : 3,815.36 = 1,522.76 : x
  2. Step 2: Convert to fraction form
    2,764.76/3,815.36 = 1,522.76/x
  3. Step 3: Cross multiply
    2,764.76x = 3,815.36 × 1,522.76
  4. Step 4: Simplify right side
    2,764.76x = 5,809,877.59
  5. Step 5: Solve for x
    x = 5,809,877.59/2,764.76
  6. Step 6: Final answer
    x = 2,101.40

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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.