Home / 3,862.70-5,330.20-2,184.26

Finding the Fourth Proportional to 3,862.70, 5,330.20 and 2,184.26

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Solution

The fourth proportional to 3,862.70, 5,330.20 and 2,184.26 is: 3,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.70 : 5,330.20 = 2,184.26 : x
  2. Step 2: Convert to fraction form
    3,862.70/5,330.20 = 2,184.26/x
  3. Step 3: Cross multiply
    3,862.70x = 5,330.20 × 2,184.26
  4. Step 4: Simplify right side
    3,862.70x = 11,642,542.65
  5. Step 5: Solve for x
    x = 11,642,542.65/3,862.70
  6. Step 6: Final answer
    x = 3,014.09

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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.