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Finding the Fourth Proportional to 1,888.92, 2,833.14 and 1,402.68

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Solution

The fourth proportional to 1,888.92, 2,833.14 and 1,402.68 is: 2,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.92 : 2,833.14 = 1,402.68 : x
  2. Step 2: Convert to fraction form
    1,888.92/2,833.14 = 1,402.68/x
  3. Step 3: Cross multiply
    1,888.92x = 2,833.14 × 1,402.68
  4. Step 4: Simplify right side
    1,888.92x = 3,973,988.82
  5. Step 5: Solve for x
    x = 3,973,988.82/1,888.92
  6. Step 6: Final answer
    x = 2,103.84

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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.