Home / 2,660.46-3,671.28-1,541.49

Finding the Fourth Proportional to 2,660.46, 3,671.28 and 1,541.49

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Solution

The fourth proportional to 2,660.46, 3,671.28 and 1,541.49 is: 2,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.46 : 3,671.28 = 1,541.49 : x
  2. Step 2: Convert to fraction form
    2,660.46/3,671.28 = 1,541.49/x
  3. Step 3: Cross multiply
    2,660.46x = 3,671.28 × 1,541.49
  4. Step 4: Simplify right side
    2,660.46x = 5,659,241.41
  5. Step 5: Solve for x
    x = 5,659,241.41/2,660.46
  6. Step 6: Final answer
    x = 2,127.17

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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.