Home / 3,421.28-5,125.80-2,264.24

Finding the Fourth Proportional to 3,421.28, 5,125.80 and 2,264.24

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Solution

The fourth proportional to 3,421.28, 5,125.80 and 2,264.24 is: 3,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.28 : 5,125.80 = 2,264.24 : x
  2. Step 2: Convert to fraction form
    3,421.28/5,125.80 = 2,264.24/x
  3. Step 3: Cross multiply
    3,421.28x = 5,125.80 × 2,264.24
  4. Step 4: Simplify right side
    3,421.28x = 11,606,041.39
  5. Step 5: Solve for x
    x = 11,606,041.39/3,421.28
  6. Step 6: Final answer
    x = 3,392.31

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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.