Home / 3,281.72-4,528.61-1,955.39

Finding the Fourth Proportional to 3,281.72, 4,528.61 and 1,955.39

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Solution

The fourth proportional to 3,281.72, 4,528.61 and 1,955.39 is: 2,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.72 : 4,528.61 = 1,955.39 : x
  2. Step 2: Convert to fraction form
    3,281.72/4,528.61 = 1,955.39/x
  3. Step 3: Cross multiply
    3,281.72x = 4,528.61 × 1,955.39
  4. Step 4: Simplify right side
    3,281.72x = 8,855,199.09
  5. Step 5: Solve for x
    x = 8,855,199.09/3,281.72
  6. Step 6: Final answer
    x = 2,698.34

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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.