Home / 3,797.08-5,240-2,118.46

Finding the Fourth Proportional to 3,797.08, 5,240 and 2,118.46

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Solution

The fourth proportional to 3,797.08, 5,240 and 2,118.46 is: 2,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.08 : 5,240 = 2,118.46 : x
  2. Step 2: Convert to fraction form
    3,797.08/5,240 = 2,118.46/x
  3. Step 3: Cross multiply
    3,797.08x = 5,240 × 2,118.46
  4. Step 4: Simplify right side
    3,797.08x = 11,100,730.40
  5. Step 5: Solve for x
    x = 11,100,730.40/3,797.08
  6. Step 6: Final answer
    x = 2,923.49

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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.