Home / 3,722.74-5,583.50-1,382.20

Finding the Fourth Proportional to 3,722.74, 5,583.50 and 1,382.20

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Solution

The fourth proportional to 3,722.74, 5,583.50 and 1,382.20 is: 2,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.74 : 5,583.50 = 1,382.20 : x
  2. Step 2: Convert to fraction form
    3,722.74/5,583.50 = 1,382.20/x
  3. Step 3: Cross multiply
    3,722.74x = 5,583.50 × 1,382.20
  4. Step 4: Simplify right side
    3,722.74x = 7,717,513.70
  5. Step 5: Solve for x
    x = 7,717,513.70/3,722.74
  6. Step 6: Final answer
    x = 2,073.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.