Home / 1,935.24-2,660.36-1,665.07

Finding the Fourth Proportional to 1,935.24, 2,660.36 and 1,665.07

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Solution

The fourth proportional to 1,935.24, 2,660.36 and 1,665.07 is: 2,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.24 : 2,660.36 = 1,665.07 : x
  2. Step 2: Convert to fraction form
    1,935.24/2,660.36 = 1,665.07/x
  3. Step 3: Cross multiply
    1,935.24x = 2,660.36 × 1,665.07
  4. Step 4: Simplify right side
    1,935.24x = 4,429,685.63
  5. Step 5: Solve for x
    x = 4,429,685.63/1,935.24
  6. Step 6: Final answer
    x = 2,288.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.