Home / 1,732.49-2,390.77-946.54

Finding the Fourth Proportional to 1,732.49, 2,390.77 and 946.54

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Solution

The fourth proportional to 1,732.49, 2,390.77 and 946.54 is: 1,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.49 : 2,390.77 = 946.54 : x
  2. Step 2: Convert to fraction form
    1,732.49/2,390.77 = 946.54/x
  3. Step 3: Cross multiply
    1,732.49x = 2,390.77 × 946.54
  4. Step 4: Simplify right side
    1,732.49x = 2,262,959.44
  5. Step 5: Solve for x
    x = 2,262,959.44/1,732.49
  6. Step 6: Final answer
    x = 1,306.19

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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.