Home / 2,660.36-3,670.84-1,541.44

Finding the Fourth Proportional to 2,660.36, 3,670.84 and 1,541.44

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Solution

The fourth proportional to 2,660.36, 3,670.84 and 1,541.44 is: 2,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.36 : 3,670.84 = 1,541.44 : x
  2. Step 2: Convert to fraction form
    2,660.36/3,670.84 = 1,541.44/x
  3. Step 3: Cross multiply
    2,660.36x = 3,670.84 × 1,541.44
  4. Step 4: Simplify right side
    2,660.36x = 5,658,379.61
  5. Step 5: Solve for x
    x = 5,658,379.61/2,660.36
  6. Step 6: Final answer
    x = 2,126.92

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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.