Home / 3,780.72-5,668.65-2,607.44

Finding the Fourth Proportional to 3,780.72, 5,668.65 and 2,607.44

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Solution

The fourth proportional to 3,780.72, 5,668.65 and 2,607.44 is: 3,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.72 : 5,668.65 = 2,607.44 : x
  2. Step 2: Convert to fraction form
    3,780.72/5,668.65 = 2,607.44/x
  3. Step 3: Cross multiply
    3,780.72x = 5,668.65 × 2,607.44
  4. Step 4: Simplify right side
    3,780.72x = 14,780,636.41
  5. Step 5: Solve for x
    x = 14,780,636.41/3,780.72
  6. Step 6: Final answer
    x = 3,909.48

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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.