Home / 3,583.70-4,945.51-2,011.80

Finding the Fourth Proportional to 3,583.70, 4,945.51 and 2,011.80

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Solution

The fourth proportional to 3,583.70, 4,945.51 and 2,011.80 is: 2,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.70 : 4,945.51 = 2,011.80 : x
  2. Step 2: Convert to fraction form
    3,583.70/4,945.51 = 2,011.80/x
  3. Step 3: Cross multiply
    3,583.70x = 4,945.51 × 2,011.80
  4. Step 4: Simplify right side
    3,583.70x = 9,949,377.02
  5. Step 5: Solve for x
    x = 9,949,377.02/3,583.70
  6. Step 6: Final answer
    x = 2,776.29

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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.