Home / 3,674.76-5,070.92-2,182.79

Finding the Fourth Proportional to 3,674.76, 5,070.92 and 2,182.79

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Solution

The fourth proportional to 3,674.76, 5,070.92 and 2,182.79 is: 3,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.76 : 5,070.92 = 2,182.79 : x
  2. Step 2: Convert to fraction form
    3,674.76/5,070.92 = 2,182.79/x
  3. Step 3: Cross multiply
    3,674.76x = 5,070.92 × 2,182.79
  4. Step 4: Simplify right side
    3,674.76x = 11,068,771.60
  5. Step 5: Solve for x
    x = 11,068,771.60/3,674.76
  6. Step 6: Final answer
    x = 3,012.11

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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.