Home / 3,752.28-5,626.62-1,286.46

Finding the Fourth Proportional to 3,752.28, 5,626.62 and 1,286.46

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Solution

The fourth proportional to 3,752.28, 5,626.62 and 1,286.46 is: 1,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.28 : 5,626.62 = 1,286.46 : x
  2. Step 2: Convert to fraction form
    3,752.28/5,626.62 = 1,286.46/x
  3. Step 3: Cross multiply
    3,752.28x = 5,626.62 × 1,286.46
  4. Step 4: Simplify right side
    3,752.28x = 7,238,421.57
  5. Step 5: Solve for x
    x = 7,238,421.57/3,752.28
  6. Step 6: Final answer
    x = 1,929.07

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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.