Home / 3,724.53-5,143.55-2,984.19

Finding the Fourth Proportional to 3,724.53, 5,143.55 and 2,984.19

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Solution

The fourth proportional to 3,724.53, 5,143.55 and 2,984.19 is: 4,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.53 : 5,143.55 = 2,984.19 : x
  2. Step 2: Convert to fraction form
    3,724.53/5,143.55 = 2,984.19/x
  3. Step 3: Cross multiply
    3,724.53x = 5,143.55 × 2,984.19
  4. Step 4: Simplify right side
    3,724.53x = 15,349,315.55
  5. Step 5: Solve for x
    x = 15,349,315.55/3,724.53
  6. Step 6: Final answer
    x = 4,121.14

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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.