Home / 3,046.38-4,569.79-1,315

Finding the Fourth Proportional to 3,046.38, 4,569.79 and 1,315

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Solution

The fourth proportional to 3,046.38, 4,569.79 and 1,315 is: 1,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.38 : 4,569.79 = 1,315 : x
  2. Step 2: Convert to fraction form
    3,046.38/4,569.79 = 1,315/x
  3. Step 3: Cross multiply
    3,046.38x = 4,569.79 × 1,315
  4. Step 4: Simplify right side
    3,046.38x = 6,009,273.85
  5. Step 5: Solve for x
    x = 6,009,273.85/3,046.38
  6. Step 6: Final answer
    x = 1,972.59

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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.