Home / 2,640.24-3,962.52-1,342.08

Finding the Fourth Proportional to 2,640.24, 3,962.52 and 1,342.08

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Solution

The fourth proportional to 2,640.24, 3,962.52 and 1,342.08 is: 2,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640.24 : 3,962.52 = 1,342.08 : x
  2. Step 2: Convert to fraction form
    2,640.24/3,962.52 = 1,342.08/x
  3. Step 3: Cross multiply
    2,640.24x = 3,962.52 × 1,342.08
  4. Step 4: Simplify right side
    2,640.24x = 5,318,018.84
  5. Step 5: Solve for x
    x = 5,318,018.84/2,640.24
  6. Step 6: Final answer
    x = 2,014.22

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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.