Home / 1,485.10-2,227.39-444.82

Finding the Fourth Proportional to 1,485.10, 2,227.39 and 444.82

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Solution

The fourth proportional to 1,485.10, 2,227.39 and 444.82 is: 667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.10 : 2,227.39 = 444.82 : x
  2. Step 2: Convert to fraction form
    1,485.10/2,227.39 = 444.82/x
  3. Step 3: Cross multiply
    1,485.10x = 2,227.39 × 444.82
  4. Step 4: Simplify right side
    1,485.10x = 990,774.26
  5. Step 5: Solve for x
    x = 990,774.26/1,485.10
  6. Step 6: Final answer
    x = 667.15

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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.