Home / 3,240.36-4,862.88-2,197.88

Finding the Fourth Proportional to 3,240.36, 4,862.88 and 2,197.88

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Solution

The fourth proportional to 3,240.36, 4,862.88 and 2,197.88 is: 3,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.36 : 4,862.88 = 2,197.88 : x
  2. Step 2: Convert to fraction form
    3,240.36/4,862.88 = 2,197.88/x
  3. Step 3: Cross multiply
    3,240.36x = 4,862.88 × 2,197.88
  4. Step 4: Simplify right side
    3,240.36x = 10,688,026.69
  5. Step 5: Solve for x
    x = 10,688,026.69/3,240.36
  6. Step 6: Final answer
    x = 3,298.41

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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.