Home / 2,557.45-3,828.84-1,576.95

Finding the Fourth Proportional to 2,557.45, 3,828.84 and 1,576.95

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Solution

The fourth proportional to 2,557.45, 3,828.84 and 1,576.95 is: 2,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.45 : 3,828.84 = 1,576.95 : x
  2. Step 2: Convert to fraction form
    2,557.45/3,828.84 = 1,576.95/x
  3. Step 3: Cross multiply
    2,557.45x = 3,828.84 × 1,576.95
  4. Step 4: Simplify right side
    2,557.45x = 6,037,868.97
  5. Step 5: Solve for x
    x = 6,037,868.97/2,557.45
  6. Step 6: Final answer
    x = 2,360.89

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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.