Home / 3,608.94-5,394.34-3,136.72

Finding the Fourth Proportional to 3,608.94, 5,394.34 and 3,136.72

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Solution

The fourth proportional to 3,608.94, 5,394.34 and 3,136.72 is: 4,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.94 : 5,394.34 = 3,136.72 : x
  2. Step 2: Convert to fraction form
    3,608.94/5,394.34 = 3,136.72/x
  3. Step 3: Cross multiply
    3,608.94x = 5,394.34 × 3,136.72
  4. Step 4: Simplify right side
    3,608.94x = 16,920,534.16
  5. Step 5: Solve for x
    x = 16,920,534.16/3,608.94
  6. Step 6: Final answer
    x = 4,688.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.