Home / 2,245.64-3,368.45-579.77

Finding the Fourth Proportional to 2,245.64, 3,368.45 and 579.77

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Solution

The fourth proportional to 2,245.64, 3,368.45 and 579.77 is: 869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.64 : 3,368.45 = 579.77 : x
  2. Step 2: Convert to fraction form
    2,245.64/3,368.45 = 579.77/x
  3. Step 3: Cross multiply
    2,245.64x = 3,368.45 × 579.77
  4. Step 4: Simplify right side
    2,245.64x = 1,952,910.86
  5. Step 5: Solve for x
    x = 1,952,910.86/2,245.64
  6. Step 6: Final answer
    x = 869.64

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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.