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Finding the Fourth Proportional to 3,722.58, 5,581.71 and 1,528.83

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Solution

The fourth proportional to 3,722.58, 5,581.71 and 1,528.83 is: 2,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.58 : 5,581.71 = 1,528.83 : x
  2. Step 2: Convert to fraction form
    3,722.58/5,581.71 = 1,528.83/x
  3. Step 3: Cross multiply
    3,722.58x = 5,581.71 × 1,528.83
  4. Step 4: Simplify right side
    3,722.58x = 8,533,485.70
  5. Step 5: Solve for x
    x = 8,533,485.70/3,722.58
  6. Step 6: Final answer
    x = 2,292.36

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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.