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Finding the Fourth Proportional to 3,791.58, 5,677.88 and 2,400.72

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Solution

The fourth proportional to 3,791.58, 5,677.88 and 2,400.72 is: 3,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.58 : 5,677.88 = 2,400.72 : x
  2. Step 2: Convert to fraction form
    3,791.58/5,677.88 = 2,400.72/x
  3. Step 3: Cross multiply
    3,791.58x = 5,677.88 × 2,400.72
  4. Step 4: Simplify right side
    3,791.58x = 13,630,988.07
  5. Step 5: Solve for x
    x = 13,630,988.07/3,791.58
  6. Step 6: Final answer
    x = 3,595.07

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1.5x scale

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.