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Finding the Fourth Proportional to 1,887.83, 2,833.28 and 1,368.08

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Solution

The fourth proportional to 1,887.83, 2,833.28 and 1,368.08 is: 2,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.83 : 2,833.28 = 1,368.08 : x
  2. Step 2: Convert to fraction form
    1,887.83/2,833.28 = 1,368.08/x
  3. Step 3: Cross multiply
    1,887.83x = 2,833.28 × 1,368.08
  4. Step 4: Simplify right side
    1,887.83x = 3,876,132.70
  5. Step 5: Solve for x
    x = 3,876,132.70/1,887.83
  6. Step 6: Final answer
    x = 2,053.23

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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.