Home / 2,576.67-3,558.70-1,994.28

Finding the Fourth Proportional to 2,576.67, 3,558.70 and 1,994.28

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Solution

The fourth proportional to 2,576.67, 3,558.70 and 1,994.28 is: 2,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.67 : 3,558.70 = 1,994.28 : x
  2. Step 2: Convert to fraction form
    2,576.67/3,558.70 = 1,994.28/x
  3. Step 3: Cross multiply
    2,576.67x = 3,558.70 × 1,994.28
  4. Step 4: Simplify right side
    2,576.67x = 7,097,044.24
  5. Step 5: Solve for x
    x = 7,097,044.24/2,576.67
  6. Step 6: Final answer
    x = 2,754.35

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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.