Home / 1,959.23-2,935.00-1,135.78

Finding the Fourth Proportional to 1,959.23, 2,935.00 and 1,135.78

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Solution

The fourth proportional to 1,959.23, 2,935.00 and 1,135.78 is: 1,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.23 : 2,935.00 = 1,135.78 : x
  2. Step 2: Convert to fraction form
    1,959.23/2,935.00 = 1,135.78/x
  3. Step 3: Cross multiply
    1,959.23x = 2,935.00 × 1,135.78
  4. Step 4: Simplify right side
    1,959.23x = 3,333,502.46
  5. Step 5: Solve for x
    x = 3,333,502.46/1,959.23
  6. Step 6: Final answer
    x = 1,701.43

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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.