Home / 3,774.15-5,654.80-2,455.89

Finding the Fourth Proportional to 3,774.15, 5,654.80 and 2,455.89

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Solution

The fourth proportional to 3,774.15, 5,654.80 and 2,455.89 is: 3,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.15 : 5,654.80 = 2,455.89 : x
  2. Step 2: Convert to fraction form
    3,774.15/5,654.80 = 2,455.89/x
  3. Step 3: Cross multiply
    3,774.15x = 5,654.80 × 2,455.89
  4. Step 4: Simplify right side
    3,774.15x = 13,887,566.77
  5. Step 5: Solve for x
    x = 13,887,566.77/3,774.15
  6. Step 6: Final answer
    x = 3,679.65

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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.