Home / 3,555.70-4,906.52-1,983.89

Finding the Fourth Proportional to 3,555.70, 4,906.52 and 1,983.89

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Solution

The fourth proportional to 3,555.70, 4,906.52 and 1,983.89 is: 2,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.70 : 4,906.52 = 1,983.89 : x
  2. Step 2: Convert to fraction form
    3,555.70/4,906.52 = 1,983.89/x
  3. Step 3: Cross multiply
    3,555.70x = 4,906.52 × 1,983.89
  4. Step 4: Simplify right side
    3,555.70x = 9,733,995.96
  5. Step 5: Solve for x
    x = 9,733,995.96/3,555.70
  6. Step 6: Final answer
    x = 2,737.58

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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.