Home / 2,759.34-4,134.94-2,175.74

Finding the Fourth Proportional to 2,759.34, 4,134.94 and 2,175.74

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Solution

The fourth proportional to 2,759.34, 4,134.94 and 2,175.74 is: 3,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.34 : 4,134.94 = 2,175.74 : x
  2. Step 2: Convert to fraction form
    2,759.34/4,134.94 = 2,175.74/x
  3. Step 3: Cross multiply
    2,759.34x = 4,134.94 × 2,175.74
  4. Step 4: Simplify right side
    2,759.34x = 8,996,554.36
  5. Step 5: Solve for x
    x = 8,996,554.36/2,759.34
  6. Step 6: Final answer
    x = 3,260.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.