Home / 1,485.24-2,227.38-497.85

Finding the Fourth Proportional to 1,485.24, 2,227.38 and 497.85

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Solution

The fourth proportional to 1,485.24, 2,227.38 and 497.85 is: 746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.24 : 2,227.38 = 497.85 : x
  2. Step 2: Convert to fraction form
    1,485.24/2,227.38 = 497.85/x
  3. Step 3: Cross multiply
    1,485.24x = 2,227.38 × 497.85
  4. Step 4: Simplify right side
    1,485.24x = 1,108,901.13
  5. Step 5: Solve for x
    x = 1,108,901.13/1,485.24
  6. Step 6: Final answer
    x = 746.61

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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.