Home / 2,476.38-3,416.66-2,164.80

Finding the Fourth Proportional to 2,476.38, 3,416.66 and 2,164.80

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Solution

The fourth proportional to 2,476.38, 3,416.66 and 2,164.80 is: 2,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.38 : 3,416.66 = 2,164.80 : x
  2. Step 2: Convert to fraction form
    2,476.38/3,416.66 = 2,164.80/x
  3. Step 3: Cross multiply
    2,476.38x = 3,416.66 × 2,164.80
  4. Step 4: Simplify right side
    2,476.38x = 7,396,385.57
  5. Step 5: Solve for x
    x = 7,396,385.57/2,476.38
  6. Step 6: Final answer
    x = 2,986.77

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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.