Home / 1,225.64-1,836.49-1,101.30

Finding the Fourth Proportional to 1,225.64, 1,836.49 and 1,101.30

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Solution

The fourth proportional to 1,225.64, 1,836.49 and 1,101.30 is: 1,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.64 : 1,836.49 = 1,101.30 : x
  2. Step 2: Convert to fraction form
    1,225.64/1,836.49 = 1,101.30/x
  3. Step 3: Cross multiply
    1,225.64x = 1,836.49 × 1,101.30
  4. Step 4: Simplify right side
    1,225.64x = 2,022,526.44
  5. Step 5: Solve for x
    x = 2,022,526.44/1,225.64
  6. Step 6: Final answer
    x = 1,650.18

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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.