Home / 1,858.62-2,789.30-1,497.77

Finding the Fourth Proportional to 1,858.62, 2,789.30 and 1,497.77

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Solution

The fourth proportional to 1,858.62, 2,789.30 and 1,497.77 is: 2,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.62 : 2,789.30 = 1,497.77 : x
  2. Step 2: Convert to fraction form
    1,858.62/2,789.30 = 1,497.77/x
  3. Step 3: Cross multiply
    1,858.62x = 2,789.30 × 1,497.77
  4. Step 4: Simplify right side
    1,858.62x = 4,177,729.86
  5. Step 5: Solve for x
    x = 4,177,729.86/1,858.62
  6. Step 6: Final answer
    x = 2,247.76

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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.