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Finding the Fourth Proportional to 1,893.20, 2,837.42 and 852.10

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Solution

The fourth proportional to 1,893.20, 2,837.42 and 852.10 is: 1,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.20 : 2,837.42 = 852.10 : x
  2. Step 2: Convert to fraction form
    1,893.20/2,837.42 = 852.10/x
  3. Step 3: Cross multiply
    1,893.20x = 2,837.42 × 852.10
  4. Step 4: Simplify right side
    1,893.20x = 2,417,765.58
  5. Step 5: Solve for x
    x = 2,417,765.58/1,893.20
  6. Step 6: Final answer
    x = 1,277.08

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1.5x scale

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.