Home / 1,326.40-1,828.30-1,046.16

Finding the Fourth Proportional to 1,326.40, 1,828.30 and 1,046.16

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Solution

The fourth proportional to 1,326.40, 1,828.30 and 1,046.16 is: 1,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.40 : 1,828.30 = 1,046.16 : x
  2. Step 2: Convert to fraction form
    1,326.40/1,828.30 = 1,046.16/x
  3. Step 3: Cross multiply
    1,326.40x = 1,828.30 × 1,046.16
  4. Step 4: Simplify right side
    1,326.40x = 1,912,694.33
  5. Step 5: Solve for x
    x = 1,912,694.33/1,326.40
  6. Step 6: Final answer
    x = 1,442.02

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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.