Home / 3,577.08-4,936.49-1,983.70

Finding the Fourth Proportional to 3,577.08, 4,936.49 and 1,983.70

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Solution

The fourth proportional to 3,577.08, 4,936.49 and 1,983.70 is: 2,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.08 : 4,936.49 = 1,983.70 : x
  2. Step 2: Convert to fraction form
    3,577.08/4,936.49 = 1,983.70/x
  3. Step 3: Cross multiply
    3,577.08x = 4,936.49 × 1,983.70
  4. Step 4: Simplify right side
    3,577.08x = 9,792,515.21
  5. Step 5: Solve for x
    x = 9,792,515.21/3,577.08
  6. Step 6: Final answer
    x = 2,737.57

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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.