Home / 2,136.74-2,948.68-1,192.52

Finding the Fourth Proportional to 2,136.74, 2,948.68 and 1,192.52

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Solution

The fourth proportional to 2,136.74, 2,948.68 and 1,192.52 is: 1,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.74 : 2,948.68 = 1,192.52 : x
  2. Step 2: Convert to fraction form
    2,136.74/2,948.68 = 1,192.52/x
  3. Step 3: Cross multiply
    2,136.74x = 2,948.68 × 1,192.52
  4. Step 4: Simplify right side
    2,136.74x = 3,516,346.62
  5. Step 5: Solve for x
    x = 3,516,346.62/2,136.74
  6. Step 6: Final answer
    x = 1,645.66

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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.