Home / 3,729.95-5,119.81-3,569.57

Finding the Fourth Proportional to 3,729.95, 5,119.81 and 3,569.57

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Solution

The fourth proportional to 3,729.95, 5,119.81 and 3,569.57 is: 4,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.95 : 5,119.81 = 3,569.57 : x
  2. Step 2: Convert to fraction form
    3,729.95/5,119.81 = 3,569.57/x
  3. Step 3: Cross multiply
    3,729.95x = 5,119.81 × 3,569.57
  4. Step 4: Simplify right side
    3,729.95x = 18,275,504.86
  5. Step 5: Solve for x
    x = 18,275,504.86/3,729.95
  6. Step 6: Final answer
    x = 4,899.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.