Home / 2,147.20-2,962.88-1,203.04

Finding the Fourth Proportional to 2,147.20, 2,962.88 and 1,203.04

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Solution

The fourth proportional to 2,147.20, 2,962.88 and 1,203.04 is: 1,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.20 : 2,962.88 = 1,203.04 : x
  2. Step 2: Convert to fraction form
    2,147.20/2,962.88 = 1,203.04/x
  3. Step 3: Cross multiply
    2,147.20x = 2,962.88 × 1,203.04
  4. Step 4: Simplify right side
    2,147.20x = 3,564,463.16
  5. Step 5: Solve for x
    x = 3,564,463.16/2,147.20
  6. Step 6: Final answer
    x = 1,660.05

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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.