Home / 2,660.18-3,670.97-1,541.21

Finding the Fourth Proportional to 2,660.18, 3,670.97 and 1,541.21

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Solution

The fourth proportional to 2,660.18, 3,670.97 and 1,541.21 is: 2,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.18 : 3,670.97 = 1,541.21 : x
  2. Step 2: Convert to fraction form
    2,660.18/3,670.97 = 1,541.21/x
  3. Step 3: Cross multiply
    2,660.18x = 3,670.97 × 1,541.21
  4. Step 4: Simplify right side
    2,660.18x = 5,657,709.61
  5. Step 5: Solve for x
    x = 5,657,709.61/2,660.18
  6. Step 6: Final answer
    x = 2,126.82

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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.