Home / 1,732.76-2,391.24-946.79

Finding the Fourth Proportional to 1,732.76, 2,391.24 and 946.79

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Solution

The fourth proportional to 1,732.76, 2,391.24 and 946.79 is: 1,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.76 : 2,391.24 = 946.79 : x
  2. Step 2: Convert to fraction form
    1,732.76/2,391.24 = 946.79/x
  3. Step 3: Cross multiply
    1,732.76x = 2,391.24 × 946.79
  4. Step 4: Simplify right side
    1,732.76x = 2,263,997.36
  5. Step 5: Solve for x
    x = 2,263,997.36/1,732.76
  6. Step 6: Final answer
    x = 1,306.59

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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.