Home / 2,660.24-3,671.88-1,729.04

Finding the Fourth Proportional to 2,660.24, 3,671.88 and 1,729.04

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Solution

The fourth proportional to 2,660.24, 3,671.88 and 1,729.04 is: 2,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.24 : 3,671.88 = 1,729.04 : x
  2. Step 2: Convert to fraction form
    2,660.24/3,671.88 = 1,729.04/x
  3. Step 3: Cross multiply
    2,660.24x = 3,671.88 × 1,729.04
  4. Step 4: Simplify right side
    2,660.24x = 6,348,827.40
  5. Step 5: Solve for x
    x = 6,348,827.40/2,660.24
  6. Step 6: Final answer
    x = 2,386.56

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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.