Home / 3,354.35-4,619.62-3,281.72

Finding the Fourth Proportional to 3,354.35, 4,619.62 and 3,281.72

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Solution

The fourth proportional to 3,354.35, 4,619.62 and 3,281.72 is: 4,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.35 : 4,619.62 = 3,281.72 : x
  2. Step 2: Convert to fraction form
    3,354.35/4,619.62 = 3,281.72/x
  3. Step 3: Cross multiply
    3,354.35x = 4,619.62 × 3,281.72
  4. Step 4: Simplify right side
    3,354.35x = 15,160,275.74
  5. Step 5: Solve for x
    x = 15,160,275.74/3,354.35
  6. Step 6: Final answer
    x = 4,519.59

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1.5x scale

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.