Home / 3,776.16-5,211.72-2,182.86

Finding the Fourth Proportional to 3,776.16, 5,211.72 and 2,182.86

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Solution

The fourth proportional to 3,776.16, 5,211.72 and 2,182.86 is: 3,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.16 : 5,211.72 = 2,182.86 : x
  2. Step 2: Convert to fraction form
    3,776.16/5,211.72 = 2,182.86/x
  3. Step 3: Cross multiply
    3,776.16x = 5,211.72 × 2,182.86
  4. Step 4: Simplify right side
    3,776.16x = 11,376,455.12
  5. Step 5: Solve for x
    x = 11,376,455.12/3,776.16
  6. Step 6: Final answer
    x = 3,012.70

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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.