Home / 4,185.76-5,776.08-2,613.76

Finding the Fourth Proportional to 4,185.76, 5,776.08 and 2,613.76

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Solution

The fourth proportional to 4,185.76, 5,776.08 and 2,613.76 is: 3,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.76 : 5,776.08 = 2,613.76 : x
  2. Step 2: Convert to fraction form
    4,185.76/5,776.08 = 2,613.76/x
  3. Step 3: Cross multiply
    4,185.76x = 5,776.08 × 2,613.76
  4. Step 4: Simplify right side
    4,185.76x = 15,097,286.86
  5. Step 5: Solve for x
    x = 15,097,286.86/4,185.76
  6. Step 6: Final answer
    x = 3,606.82

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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.