Home / 2,136.18-3,197.66-1,954.52

Finding the Fourth Proportional to 2,136.18, 3,197.66 and 1,954.52

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Solution

The fourth proportional to 2,136.18, 3,197.66 and 1,954.52 is: 2,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.18 : 3,197.66 = 1,954.52 : x
  2. Step 2: Convert to fraction form
    2,136.18/3,197.66 = 1,954.52/x
  3. Step 3: Cross multiply
    2,136.18x = 3,197.66 × 1,954.52
  4. Step 4: Simplify right side
    2,136.18x = 6,249,876.65
  5. Step 5: Solve for x
    x = 6,249,876.65/2,136.18
  6. Step 6: Final answer
    x = 2,925.72

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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.