Home / 3,525.56-5,286.74-1,332.72

Finding the Fourth Proportional to 3,525.56, 5,286.74 and 1,332.72

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Solution

The fourth proportional to 3,525.56, 5,286.74 and 1,332.72 is: 1,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.56 : 5,286.74 = 1,332.72 : x
  2. Step 2: Convert to fraction form
    3,525.56/5,286.74 = 1,332.72/x
  3. Step 3: Cross multiply
    3,525.56x = 5,286.74 × 1,332.72
  4. Step 4: Simplify right side
    3,525.56x = 7,045,744.13
  5. Step 5: Solve for x
    x = 7,045,744.13/3,525.56
  6. Step 6: Final answer
    x = 1,998.48

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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.