Home / 2,576.99-3,554.82-1,581.90

Finding the Fourth Proportional to 2,576.99, 3,554.82 and 1,581.90

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Solution

The fourth proportional to 2,576.99, 3,554.82 and 1,581.90 is: 2,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.99 : 3,554.82 = 1,581.90 : x
  2. Step 2: Convert to fraction form
    2,576.99/3,554.82 = 1,581.90/x
  3. Step 3: Cross multiply
    2,576.99x = 3,554.82 × 1,581.90
  4. Step 4: Simplify right side
    2,576.99x = 5,623,369.76
  5. Step 5: Solve for x
    x = 5,623,369.76/2,576.99
  6. Step 6: Final answer
    x = 2,182.15

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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.