Home / 2,064.74-3,089.68-1,515.56

Finding the Fourth Proportional to 2,064.74, 3,089.68 and 1,515.56

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Solution

The fourth proportional to 2,064.74, 3,089.68 and 1,515.56 is: 2,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.74 : 3,089.68 = 1,515.56 : x
  2. Step 2: Convert to fraction form
    2,064.74/3,089.68 = 1,515.56/x
  3. Step 3: Cross multiply
    2,064.74x = 3,089.68 × 1,515.56
  4. Step 4: Simplify right side
    2,064.74x = 4,682,576.18
  5. Step 5: Solve for x
    x = 4,682,576.18/2,064.74
  6. Step 6: Final answer
    x = 2,267.88

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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.