Home / 3,281.88-4,528.65-1,955.41

Finding the Fourth Proportional to 3,281.88, 4,528.65 and 1,955.41

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Solution

The fourth proportional to 3,281.88, 4,528.65 and 1,955.41 is: 2,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.88 : 4,528.65 = 1,955.41 : x
  2. Step 2: Convert to fraction form
    3,281.88/4,528.65 = 1,955.41/x
  3. Step 3: Cross multiply
    3,281.88x = 4,528.65 × 1,955.41
  4. Step 4: Simplify right side
    3,281.88x = 8,855,367.50
  5. Step 5: Solve for x
    x = 8,855,367.50/3,281.88
  6. Step 6: Final answer
    x = 2,698.26

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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.