Home / 2,136.08-2,948.00-1,296.71

Finding the Fourth Proportional to 2,136.08, 2,948.00 and 1,296.71

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Solution

The fourth proportional to 2,136.08, 2,948.00 and 1,296.71 is: 1,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.08 : 2,948.00 = 1,296.71 : x
  2. Step 2: Convert to fraction form
    2,136.08/2,948.00 = 1,296.71/x
  3. Step 3: Cross multiply
    2,136.08x = 2,948.00 × 1,296.71
  4. Step 4: Simplify right side
    2,136.08x = 3,822,701.97
  5. Step 5: Solve for x
    x = 3,822,701.97/2,136.08
  6. Step 6: Final answer
    x = 1,789.59

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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.