Home / 1,936.93-2,898.21-1,157.36

Finding the Fourth Proportional to 1,936.93, 2,898.21 and 1,157.36

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Solution

The fourth proportional to 1,936.93, 2,898.21 and 1,157.36 is: 1,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.93 : 2,898.21 = 1,157.36 : x
  2. Step 2: Convert to fraction form
    1,936.93/2,898.21 = 1,157.36/x
  3. Step 3: Cross multiply
    1,936.93x = 2,898.21 × 1,157.36
  4. Step 4: Simplify right side
    1,936.93x = 3,354,262.17
  5. Step 5: Solve for x
    x = 3,354,262.17/1,936.93
  6. Step 6: Final answer
    x = 1,731.74

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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.