Home / 3,786.42-5,225.28-2,214.18

Finding the Fourth Proportional to 3,786.42, 5,225.28 and 2,214.18

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Solution

The fourth proportional to 3,786.42, 5,225.28 and 2,214.18 is: 3,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.42 : 5,225.28 = 2,214.18 : x
  2. Step 2: Convert to fraction form
    3,786.42/5,225.28 = 2,214.18/x
  3. Step 3: Cross multiply
    3,786.42x = 5,225.28 × 2,214.18
  4. Step 4: Simplify right side
    3,786.42x = 11,569,710.47
  5. Step 5: Solve for x
    x = 11,569,710.47/3,786.42
  6. Step 6: Final answer
    x = 3,055.58

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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.