Home / 4,169.40-5,752.80-2,845.86

Finding the Fourth Proportional to 4,169.40, 5,752.80 and 2,845.86

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Solution

The fourth proportional to 4,169.40, 5,752.80 and 2,845.86 is: 3,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.40 : 5,752.80 = 2,845.86 : x
  2. Step 2: Convert to fraction form
    4,169.40/5,752.80 = 2,845.86/x
  3. Step 3: Cross multiply
    4,169.40x = 5,752.80 × 2,845.86
  4. Step 4: Simplify right side
    4,169.40x = 16,371,663.41
  5. Step 5: Solve for x
    x = 16,371,663.41/4,169.40
  6. Step 6: Final answer
    x = 3,926.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.