Home / 3,176.09-4,384.83-2,113.57

Finding the Fourth Proportional to 3,176.09, 4,384.83 and 2,113.57

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Solution

The fourth proportional to 3,176.09, 4,384.83 and 2,113.57 is: 2,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.09 : 4,384.83 = 2,113.57 : x
  2. Step 2: Convert to fraction form
    3,176.09/4,384.83 = 2,113.57/x
  3. Step 3: Cross multiply
    3,176.09x = 4,384.83 × 2,113.57
  4. Step 4: Simplify right side
    3,176.09x = 9,267,645.14
  5. Step 5: Solve for x
    x = 9,267,645.14/3,176.09
  6. Step 6: Final answer
    x = 2,917.94

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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.