Home / 3,529.64-4,871.19-1,957.70

Finding the Fourth Proportional to 3,529.64, 4,871.19 and 1,957.70

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Solution

The fourth proportional to 3,529.64, 4,871.19 and 1,957.70 is: 2,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.64 : 4,871.19 = 1,957.70 : x
  2. Step 2: Convert to fraction form
    3,529.64/4,871.19 = 1,957.70/x
  3. Step 3: Cross multiply
    3,529.64x = 4,871.19 × 1,957.70
  4. Step 4: Simplify right side
    3,529.64x = 9,536,328.66
  5. Step 5: Solve for x
    x = 9,536,328.66/3,529.64
  6. Step 6: Final answer
    x = 2,701.79

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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.