Home / 3,328.58-4,974.45-3,136.52

Finding the Fourth Proportional to 3,328.58, 4,974.45 and 3,136.52

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Solution

The fourth proportional to 3,328.58, 4,974.45 and 3,136.52 is: 4,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.58 : 4,974.45 = 3,136.52 : x
  2. Step 2: Convert to fraction form
    3,328.58/4,974.45 = 3,136.52/x
  3. Step 3: Cross multiply
    3,328.58x = 4,974.45 × 3,136.52
  4. Step 4: Simplify right side
    3,328.58x = 15,602,461.91
  5. Step 5: Solve for x
    x = 15,602,461.91/3,328.58
  6. Step 6: Final answer
    x = 4,687.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.