Home / 3,529.77-4,871.09-1,957.87

Finding the Fourth Proportional to 3,529.77, 4,871.09 and 1,957.87

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Solution

The fourth proportional to 3,529.77, 4,871.09 and 1,957.87 is: 2,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.77 : 4,871.09 = 1,957.87 : x
  2. Step 2: Convert to fraction form
    3,529.77/4,871.09 = 1,957.87/x
  3. Step 3: Cross multiply
    3,529.77x = 4,871.09 × 1,957.87
  4. Step 4: Simplify right side
    3,529.77x = 9,536,960.98
  5. Step 5: Solve for x
    x = 9,536,960.98/3,529.77
  6. Step 6: Final answer
    x = 2,701.86

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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.