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Finding the Fourth Proportional to 3,529.56, 4,870.64 and 1,957.52

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Solution

The fourth proportional to 3,529.56, 4,870.64 and 1,957.52 is: 2,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.56 : 4,870.64 = 1,957.52 : x
  2. Step 2: Convert to fraction form
    3,529.56/4,870.64 = 1,957.52/x
  3. Step 3: Cross multiply
    3,529.56x = 4,870.64 × 1,957.52
  4. Step 4: Simplify right side
    3,529.56x = 9,534,375.21
  5. Step 5: Solve for x
    x = 9,534,375.21/3,529.56
  6. Step 6: Final answer
    x = 2,701.29

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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.