Home / 1,887.15-2,833.90-1,230.14

Finding the Fourth Proportional to 1,887.15, 2,833.90 and 1,230.14

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Solution

The fourth proportional to 1,887.15, 2,833.90 and 1,230.14 is: 1,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.15 : 2,833.90 = 1,230.14 : x
  2. Step 2: Convert to fraction form
    1,887.15/2,833.90 = 1,230.14/x
  3. Step 3: Cross multiply
    1,887.15x = 2,833.90 × 1,230.14
  4. Step 4: Simplify right side
    1,887.15x = 3,486,076.50
  5. Step 5: Solve for x
    x = 3,486,076.50/1,887.15
  6. Step 6: Final answer
    x = 1,847.27

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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.