Home / 3,523.59-5,285.07-2,136.51

Finding the Fourth Proportional to 3,523.59, 5,285.07 and 2,136.51

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Solution

The fourth proportional to 3,523.59, 5,285.07 and 2,136.51 is: 3,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.59 : 5,285.07 = 2,136.51 : x
  2. Step 2: Convert to fraction form
    3,523.59/5,285.07 = 2,136.51/x
  3. Step 3: Cross multiply
    3,523.59x = 5,285.07 × 2,136.51
  4. Step 4: Simplify right side
    3,523.59x = 11,291,604.91
  5. Step 5: Solve for x
    x = 11,291,604.91/3,523.59
  6. Step 6: Final answer
    x = 3,204.57

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1.5x scale

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.