Home / 3,621.90-5,433.94-2,569.74

Finding the Fourth Proportional to 3,621.90, 5,433.94 and 2,569.74

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Solution

The fourth proportional to 3,621.90, 5,433.94 and 2,569.74 is: 3,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.90 : 5,433.94 = 2,569.74 : x
  2. Step 2: Convert to fraction form
    3,621.90/5,433.94 = 2,569.74/x
  3. Step 3: Cross multiply
    3,621.90x = 5,433.94 × 2,569.74
  4. Step 4: Simplify right side
    3,621.90x = 13,963,812.98
  5. Step 5: Solve for x
    x = 13,963,812.98/3,621.90
  6. Step 6: Final answer
    x = 3,855.38

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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.