Home / 3,136.57-4,323.22-2,505.08

Finding the Fourth Proportional to 3,136.57, 4,323.22 and 2,505.08

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Solution

The fourth proportional to 3,136.57, 4,323.22 and 2,505.08 is: 3,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.57 : 4,323.22 = 2,505.08 : x
  2. Step 2: Convert to fraction form
    3,136.57/4,323.22 = 2,505.08/x
  3. Step 3: Cross multiply
    3,136.57x = 4,323.22 × 2,505.08
  4. Step 4: Simplify right side
    3,136.57x = 10,830,011.96
  5. Step 5: Solve for x
    x = 10,830,011.96/3,136.57
  6. Step 6: Final answer
    x = 3,452.82

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1.5x scale

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.