Home / 2,660.66-3,672.12-1,541.42

Finding the Fourth Proportional to 2,660.66, 3,672.12 and 1,541.42

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Solution

The fourth proportional to 2,660.66, 3,672.12 and 1,541.42 is: 2,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.66 : 3,672.12 = 1,541.42 : x
  2. Step 2: Convert to fraction form
    2,660.66/3,672.12 = 1,541.42/x
  3. Step 3: Cross multiply
    2,660.66x = 3,672.12 × 1,541.42
  4. Step 4: Simplify right side
    2,660.66x = 5,660,279.21
  5. Step 5: Solve for x
    x = 5,660,279.21/2,660.66
  6. Step 6: Final answer
    x = 2,127.40

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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.