Home / 1,713.31-2,364.39-927.38

Finding the Fourth Proportional to 1,713.31, 2,364.39 and 927.38

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Solution

The fourth proportional to 1,713.31, 2,364.39 and 927.38 is: 1,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.31 : 2,364.39 = 927.38 : x
  2. Step 2: Convert to fraction form
    1,713.31/2,364.39 = 927.38/x
  3. Step 3: Cross multiply
    1,713.31x = 2,364.39 × 927.38
  4. Step 4: Simplify right side
    1,713.31x = 2,192,682.09
  5. Step 5: Solve for x
    x = 2,192,682.09/1,713.31
  6. Step 6: Final answer
    x = 1,279.79

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1.5x scale

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.