Home / 3,557.30-4,908.83-1,963.88

Finding the Fourth Proportional to 3,557.30, 4,908.83 and 1,963.88

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Solution

The fourth proportional to 3,557.30, 4,908.83 and 1,963.88 is: 2,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.30 : 4,908.83 = 1,963.88 : x
  2. Step 2: Convert to fraction form
    3,557.30/4,908.83 = 1,963.88/x
  3. Step 3: Cross multiply
    3,557.30x = 4,908.83 × 1,963.88
  4. Step 4: Simplify right side
    3,557.30x = 9,640,318.70
  5. Step 5: Solve for x
    x = 9,640,318.70/3,557.30
  6. Step 6: Final answer
    x = 2,710.01

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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.