Home / 3,085.53-4,628.19-1,439.82

Finding the Fourth Proportional to 3,085.53, 4,628.19 and 1,439.82

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Solution

The fourth proportional to 3,085.53, 4,628.19 and 1,439.82 is: 2,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.53 : 4,628.19 = 1,439.82 : x
  2. Step 2: Convert to fraction form
    3,085.53/4,628.19 = 1,439.82/x
  3. Step 3: Cross multiply
    3,085.53x = 4,628.19 × 1,439.82
  4. Step 4: Simplify right side
    3,085.53x = 6,663,760.53
  5. Step 5: Solve for x
    x = 6,663,760.53/3,085.53
  6. Step 6: Final answer
    x = 2,159.68

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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.