Home / 2,136.26-2,946.56-1,669.70

Finding the Fourth Proportional to 2,136.26, 2,946.56 and 1,669.70

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Solution

The fourth proportional to 2,136.26, 2,946.56 and 1,669.70 is: 2,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.26 : 2,946.56 = 1,669.70 : x
  2. Step 2: Convert to fraction form
    2,136.26/2,946.56 = 1,669.70/x
  3. Step 3: Cross multiply
    2,136.26x = 2,946.56 × 1,669.70
  4. Step 4: Simplify right side
    2,136.26x = 4,919,871.23
  5. Step 5: Solve for x
    x = 4,919,871.23/2,136.26
  6. Step 6: Final answer
    x = 2,303.03

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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.