Home / 3,816.04-5,718.94-3,140.20

Finding the Fourth Proportional to 3,816.04, 5,718.94 and 3,140.20

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Solution

The fourth proportional to 3,816.04, 5,718.94 and 3,140.20 is: 4,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.04 : 5,718.94 = 3,140.20 : x
  2. Step 2: Convert to fraction form
    3,816.04/5,718.94 = 3,140.20/x
  3. Step 3: Cross multiply
    3,816.04x = 5,718.94 × 3,140.20
  4. Step 4: Simplify right side
    3,816.04x = 17,958,615.39
  5. Step 5: Solve for x
    x = 17,958,615.39/3,816.04
  6. Step 6: Final answer
    x = 4,706.09

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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.