Home / 2,660.41-3,671.73-1,541.70

Finding the Fourth Proportional to 2,660.41, 3,671.73 and 1,541.70

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Solution

The fourth proportional to 2,660.41, 3,671.73 and 1,541.70 is: 2,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.41 : 3,671.73 = 1,541.70 : x
  2. Step 2: Convert to fraction form
    2,660.41/3,671.73 = 1,541.70/x
  3. Step 3: Cross multiply
    2,660.41x = 3,671.73 × 1,541.70
  4. Step 4: Simplify right side
    2,660.41x = 5,660,706.14
  5. Step 5: Solve for x
    x = 5,660,706.14/2,660.41
  6. Step 6: Final answer
    x = 2,127.76

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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.