Home / 1,936.29-2,671.53-1,150.05

Finding the Fourth Proportional to 1,936.29, 2,671.53 and 1,150.05

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Solution

The fourth proportional to 1,936.29, 2,671.53 and 1,150.05 is: 1,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.29 : 2,671.53 = 1,150.05 : x
  2. Step 2: Convert to fraction form
    1,936.29/2,671.53 = 1,150.05/x
  3. Step 3: Cross multiply
    1,936.29x = 2,671.53 × 1,150.05
  4. Step 4: Simplify right side
    1,936.29x = 3,072,393.08
  5. Step 5: Solve for x
    x = 3,072,393.08/1,936.29
  6. Step 6: Final answer
    x = 1,586.74

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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.