Home / 1,451.58-2,177.36-355.94

Finding the Fourth Proportional to 1,451.58, 2,177.36 and 355.94

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Solution

The fourth proportional to 1,451.58, 2,177.36 and 355.94 is: 533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.58 : 2,177.36 = 355.94 : x
  2. Step 2: Convert to fraction form
    1,451.58/2,177.36 = 355.94/x
  3. Step 3: Cross multiply
    1,451.58x = 2,177.36 × 355.94
  4. Step 4: Simplify right side
    1,451.58x = 774,996.85
  5. Step 5: Solve for x
    x = 774,996.85/1,451.58
  6. Step 6: Final answer
    x = 533.90

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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.