Home / 3,746.45-5,611.78-2,080.49

Finding the Fourth Proportional to 3,746.45, 5,611.78 and 2,080.49

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Solution

The fourth proportional to 3,746.45, 5,611.78 and 2,080.49 is: 3,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.45 : 5,611.78 = 2,080.49 : x
  2. Step 2: Convert to fraction form
    3,746.45/5,611.78 = 2,080.49/x
  3. Step 3: Cross multiply
    3,746.45x = 5,611.78 × 2,080.49
  4. Step 4: Simplify right side
    3,746.45x = 11,675,226.71
  5. Step 5: Solve for x
    x = 11,675,226.71/3,746.45
  6. Step 6: Final answer
    x = 3,116.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.