Home / 3,528.39-5,289.69-1,771.27

Finding the Fourth Proportional to 3,528.39, 5,289.69 and 1,771.27

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Solution

The fourth proportional to 3,528.39, 5,289.69 and 1,771.27 is: 2,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.39 : 5,289.69 = 1,771.27 : x
  2. Step 2: Convert to fraction form
    3,528.39/5,289.69 = 1,771.27/x
  3. Step 3: Cross multiply
    3,528.39x = 5,289.69 × 1,771.27
  4. Step 4: Simplify right side
    3,528.39x = 9,369,469.21
  5. Step 5: Solve for x
    x = 9,369,469.21/3,528.39
  6. Step 6: Final answer
    x = 2,655.45

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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.