Home / 1,458.22-2,188.44-534.38

Finding the Fourth Proportional to 1,458.22, 2,188.44 and 534.38

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Solution

The fourth proportional to 1,458.22, 2,188.44 and 534.38 is: 801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.22 : 2,188.44 = 534.38 : x
  2. Step 2: Convert to fraction form
    1,458.22/2,188.44 = 534.38/x
  3. Step 3: Cross multiply
    1,458.22x = 2,188.44 × 534.38
  4. Step 4: Simplify right side
    1,458.22x = 1,169,458.57
  5. Step 5: Solve for x
    x = 1,169,458.57/1,458.22
  6. Step 6: Final answer
    x = 801.98

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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.