Home / 3,643.48-5,465.37-2,179.41

Finding the Fourth Proportional to 3,643.48, 5,465.37 and 2,179.41

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Solution

The fourth proportional to 3,643.48, 5,465.37 and 2,179.41 is: 3,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.48 : 5,465.37 = 2,179.41 : x
  2. Step 2: Convert to fraction form
    3,643.48/5,465.37 = 2,179.41/x
  3. Step 3: Cross multiply
    3,643.48x = 5,465.37 × 2,179.41
  4. Step 4: Simplify right side
    3,643.48x = 11,911,269.71
  5. Step 5: Solve for x
    x = 11,911,269.71/3,643.48
  6. Step 6: Final answer
    x = 3,269.20

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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.