Home / 2,660.81-3,671.93-1,541.97

Finding the Fourth Proportional to 2,660.81, 3,671.93 and 1,541.97

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Solution

The fourth proportional to 2,660.81, 3,671.93 and 1,541.97 is: 2,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.81 : 3,671.93 = 1,541.97 : x
  2. Step 2: Convert to fraction form
    2,660.81/3,671.93 = 1,541.97/x
  3. Step 3: Cross multiply
    2,660.81x = 3,671.93 × 1,541.97
  4. Step 4: Simplify right side
    2,660.81x = 5,661,994.79
  5. Step 5: Solve for x
    x = 5,661,994.79/2,660.81
  6. Step 6: Final answer
    x = 2,127.92

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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.