Home / 2,273.13-3,136.64-1,433.51

Finding the Fourth Proportional to 2,273.13, 3,136.64 and 1,433.51

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Solution

The fourth proportional to 2,273.13, 3,136.64 and 1,433.51 is: 1,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.13 : 3,136.64 = 1,433.51 : x
  2. Step 2: Convert to fraction form
    2,273.13/3,136.64 = 1,433.51/x
  3. Step 3: Cross multiply
    2,273.13x = 3,136.64 × 1,433.51
  4. Step 4: Simplify right side
    2,273.13x = 4,496,419.43
  5. Step 5: Solve for x
    x = 4,496,419.43/2,273.13
  6. Step 6: Final answer
    x = 1,978.07

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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.