Home / 3,728.81-5,589.12-1,536.35

Finding the Fourth Proportional to 3,728.81, 5,589.12 and 1,536.35

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Solution

The fourth proportional to 3,728.81, 5,589.12 and 1,536.35 is: 2,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.81 : 5,589.12 = 1,536.35 : x
  2. Step 2: Convert to fraction form
    3,728.81/5,589.12 = 1,536.35/x
  3. Step 3: Cross multiply
    3,728.81x = 5,589.12 × 1,536.35
  4. Step 4: Simplify right side
    3,728.81x = 8,586,816.57
  5. Step 5: Solve for x
    x = 8,586,816.57/3,728.81
  6. Step 6: Final answer
    x = 2,302.83

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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.