Home / 2,653.24-3,982.02-1,355.08

Finding the Fourth Proportional to 2,653.24, 3,982.02 and 1,355.08

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Solution

The fourth proportional to 2,653.24, 3,982.02 and 1,355.08 is: 2,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.24 : 3,982.02 = 1,355.08 : x
  2. Step 2: Convert to fraction form
    2,653.24/3,982.02 = 1,355.08/x
  3. Step 3: Cross multiply
    2,653.24x = 3,982.02 × 1,355.08
  4. Step 4: Simplify right side
    2,653.24x = 5,395,955.66
  5. Step 5: Solve for x
    x = 5,395,955.66/2,653.24
  6. Step 6: Final answer
    x = 2,033.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.