Home / 3,742.24-5,583.52-3,188.20

Finding the Fourth Proportional to 3,742.24, 5,583.52 and 3,188.20

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Solution

The fourth proportional to 3,742.24, 5,583.52 and 3,188.20 is: 4,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.24 : 5,583.52 = 3,188.20 : x
  2. Step 2: Convert to fraction form
    3,742.24/5,583.52 = 3,188.20/x
  3. Step 3: Cross multiply
    3,742.24x = 5,583.52 × 3,188.20
  4. Step 4: Simplify right side
    3,742.24x = 17,801,378.46
  5. Step 5: Solve for x
    x = 17,801,378.46/3,742.24
  6. Step 6: Final answer
    x = 4,756.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.