Home / 3,564.08-4,920.37-2,148.02

Finding the Fourth Proportional to 3,564.08, 4,920.37 and 2,148.02

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Solution

The fourth proportional to 3,564.08, 4,920.37 and 2,148.02 is: 2,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.08 : 4,920.37 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    3,564.08/4,920.37 = 2,148.02/x
  3. Step 3: Cross multiply
    3,564.08x = 4,920.37 × 2,148.02
  4. Step 4: Simplify right side
    3,564.08x = 10,569,056.95
  5. Step 5: Solve for x
    x = 10,569,056.95/3,564.08
  6. Step 6: Final answer
    x = 2,965.43

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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.