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Finding the Fourth Proportional to 1,957.32, 2,933.64 and 1,491.48

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Solution

The fourth proportional to 1,957.32, 2,933.64 and 1,491.48 is: 2,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.32 : 2,933.64 = 1,491.48 : x
  2. Step 2: Convert to fraction form
    1,957.32/2,933.64 = 1,491.48/x
  3. Step 3: Cross multiply
    1,957.32x = 2,933.64 × 1,491.48
  4. Step 4: Simplify right side
    1,957.32x = 4,375,465.39
  5. Step 5: Solve for x
    x = 4,375,465.39/1,957.32
  6. Step 6: Final answer
    x = 2,235.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.