Home / 3,639.66-5,024.39-2,983.56

Finding the Fourth Proportional to 3,639.66, 5,024.39 and 2,983.56

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Solution

The fourth proportional to 3,639.66, 5,024.39 and 2,983.56 is: 4,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.66 : 5,024.39 = 2,983.56 : x
  2. Step 2: Convert to fraction form
    3,639.66/5,024.39 = 2,983.56/x
  3. Step 3: Cross multiply
    3,639.66x = 5,024.39 × 2,983.56
  4. Step 4: Simplify right side
    3,639.66x = 14,990,569.03
  5. Step 5: Solve for x
    x = 14,990,569.03/3,639.66
  6. Step 6: Final answer
    x = 4,118.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.