Home / 1,912.83-2,637.41-1,487.58

Finding the Fourth Proportional to 1,912.83, 2,637.41 and 1,487.58

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Solution

The fourth proportional to 1,912.83, 2,637.41 and 1,487.58 is: 2,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.83 : 2,637.41 = 1,487.58 : x
  2. Step 2: Convert to fraction form
    1,912.83/2,637.41 = 1,487.58/x
  3. Step 3: Cross multiply
    1,912.83x = 2,637.41 × 1,487.58
  4. Step 4: Simplify right side
    1,912.83x = 3,923,350.93
  5. Step 5: Solve for x
    x = 3,923,350.93/1,912.83
  6. Step 6: Final answer
    x = 2,051.07

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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.