Home / 3,123.82-4,706.57-2,827.70

Finding the Fourth Proportional to 3,123.82, 4,706.57 and 2,827.70

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Solution

The fourth proportional to 3,123.82, 4,706.57 and 2,827.70 is: 4,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.82 : 4,706.57 = 2,827.70 : x
  2. Step 2: Convert to fraction form
    3,123.82/4,706.57 = 2,827.70/x
  3. Step 3: Cross multiply
    3,123.82x = 4,706.57 × 2,827.70
  4. Step 4: Simplify right side
    3,123.82x = 13,308,767.99
  5. Step 5: Solve for x
    x = 13,308,767.99/3,123.82
  6. Step 6: Final answer
    x = 4,260.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.