Home / 2,136.60-2,948.52-1,352.04

Finding the Fourth Proportional to 2,136.60, 2,948.52 and 1,352.04

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Solution

The fourth proportional to 2,136.60, 2,948.52 and 1,352.04 is: 1,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.60 : 2,948.52 = 1,352.04 : x
  2. Step 2: Convert to fraction form
    2,136.60/2,948.52 = 1,352.04/x
  3. Step 3: Cross multiply
    2,136.60x = 2,948.52 × 1,352.04
  4. Step 4: Simplify right side
    2,136.60x = 3,986,516.98
  5. Step 5: Solve for x
    x = 3,986,516.98/2,136.60
  6. Step 6: Final answer
    x = 1,865.82

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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.