Home / 2,912.24-4,018.96-1,586.01

Finding the Fourth Proportional to 2,912.24, 4,018.96 and 1,586.01

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Solution

The fourth proportional to 2,912.24, 4,018.96 and 1,586.01 is: 2,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.24 : 4,018.96 = 1,586.01 : x
  2. Step 2: Convert to fraction form
    2,912.24/4,018.96 = 1,586.01/x
  3. Step 3: Cross multiply
    2,912.24x = 4,018.96 × 1,586.01
  4. Step 4: Simplify right side
    2,912.24x = 6,374,106.78
  5. Step 5: Solve for x
    x = 6,374,106.78/2,912.24
  6. Step 6: Final answer
    x = 2,188.73

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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.