Home / 3,357.48-4,630.86-2,309.88

Finding the Fourth Proportional to 3,357.48, 4,630.86 and 2,309.88

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Solution

The fourth proportional to 3,357.48, 4,630.86 and 2,309.88 is: 3,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.48 : 4,630.86 = 2,309.88 : x
  2. Step 2: Convert to fraction form
    3,357.48/4,630.86 = 2,309.88/x
  3. Step 3: Cross multiply
    3,357.48x = 4,630.86 × 2,309.88
  4. Step 4: Simplify right side
    3,357.48x = 10,696,730.90
  5. Step 5: Solve for x
    x = 10,696,730.90/3,357.48
  6. Step 6: Final answer
    x = 3,185.94

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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.