Home / 3,360.97-4,636.86-2,478.88

Finding the Fourth Proportional to 3,360.97, 4,636.86 and 2,478.88

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Solution

The fourth proportional to 3,360.97, 4,636.86 and 2,478.88 is: 3,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.97 : 4,636.86 = 2,478.88 : x
  2. Step 2: Convert to fraction form
    3,360.97/4,636.86 = 2,478.88/x
  3. Step 3: Cross multiply
    3,360.97x = 4,636.86 × 2,478.88
  4. Step 4: Simplify right side
    3,360.97x = 11,494,219.52
  5. Step 5: Solve for x
    x = 11,494,219.52/3,360.97
  6. Step 6: Final answer
    x = 3,419.91

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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.