Home / 1,892.20-2,611.21-1,052.91

Finding the Fourth Proportional to 1,892.20, 2,611.21 and 1,052.91

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Solution

The fourth proportional to 1,892.20, 2,611.21 and 1,052.91 is: 1,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.20 : 2,611.21 = 1,052.91 : x
  2. Step 2: Convert to fraction form
    1,892.20/2,611.21 = 1,052.91/x
  3. Step 3: Cross multiply
    1,892.20x = 2,611.21 × 1,052.91
  4. Step 4: Simplify right side
    1,892.20x = 2,749,369.12
  5. Step 5: Solve for x
    x = 2,749,369.12/1,892.20
  6. Step 6: Final answer
    x = 1,453.00

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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.