Home / 1,461.28-2,192.36-845.44

Finding the Fourth Proportional to 1,461.28, 2,192.36 and 845.44

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Solution

The fourth proportional to 1,461.28, 2,192.36 and 845.44 is: 1,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.28 : 2,192.36 = 845.44 : x
  2. Step 2: Convert to fraction form
    1,461.28/2,192.36 = 845.44/x
  3. Step 3: Cross multiply
    1,461.28x = 2,192.36 × 845.44
  4. Step 4: Simplify right side
    1,461.28x = 1,853,508.84
  5. Step 5: Solve for x
    x = 1,853,508.84/1,461.28
  6. Step 6: Final answer
    x = 1,268.41

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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.