Home / 3,628.26-5,017.07-2,880.92

Finding the Fourth Proportional to 3,628.26, 5,017.07 and 2,880.92

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Solution

The fourth proportional to 3,628.26, 5,017.07 and 2,880.92 is: 3,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.26 : 5,017.07 = 2,880.92 : x
  2. Step 2: Convert to fraction form
    3,628.26/5,017.07 = 2,880.92/x
  3. Step 3: Cross multiply
    3,628.26x = 5,017.07 × 2,880.92
  4. Step 4: Simplify right side
    3,628.26x = 14,453,737.81
  5. Step 5: Solve for x
    x = 14,453,737.81/3,628.26
  6. Step 6: Final answer
    x = 3,983.66

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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.