Home / 1,935.64-2,903.41-474.78

Finding the Fourth Proportional to 1,935.64, 2,903.41 and 474.78

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Solution

The fourth proportional to 1,935.64, 2,903.41 and 474.78 is: 712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.64 : 2,903.41 = 474.78 : x
  2. Step 2: Convert to fraction form
    1,935.64/2,903.41 = 474.78/x
  3. Step 3: Cross multiply
    1,935.64x = 2,903.41 × 474.78
  4. Step 4: Simplify right side
    1,935.64x = 1,378,481.00
  5. Step 5: Solve for x
    x = 1,378,481.00/1,935.64
  6. Step 6: Final answer
    x = 712.16

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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.