Home / 2,586.36-3,872.67-2,062.87

Finding the Fourth Proportional to 2,586.36, 3,872.67 and 2,062.87

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Solution

The fourth proportional to 2,586.36, 3,872.67 and 2,062.87 is: 3,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.36 : 3,872.67 = 2,062.87 : x
  2. Step 2: Convert to fraction form
    2,586.36/3,872.67 = 2,062.87/x
  3. Step 3: Cross multiply
    2,586.36x = 3,872.67 × 2,062.87
  4. Step 4: Simplify right side
    2,586.36x = 7,988,814.76
  5. Step 5: Solve for x
    x = 7,988,814.76/2,586.36
  6. Step 6: Final answer
    x = 3,088.83

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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.