Home / 1,046.19-1,569.30-276.69

Finding the Fourth Proportional to 1,046.19, 1,569.30 and 276.69

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Solution

The fourth proportional to 1,046.19, 1,569.30 and 276.69 is: 415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.19 : 1,569.30 = 276.69 : x
  2. Step 2: Convert to fraction form
    1,046.19/1,569.30 = 276.69/x
  3. Step 3: Cross multiply
    1,046.19x = 1,569.30 × 276.69
  4. Step 4: Simplify right side
    1,046.19x = 434,208.23
  5. Step 5: Solve for x
    x = 434,208.23/1,046.19
  6. Step 6: Final answer
    x = 415.04

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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.