Home / 1,962.60-2,708.46-1,176.60

Finding the Fourth Proportional to 1,962.60, 2,708.46 and 1,176.60

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Solution

The fourth proportional to 1,962.60, 2,708.46 and 1,176.60 is: 1,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.60 : 2,708.46 = 1,176.60 : x
  2. Step 2: Convert to fraction form
    1,962.60/2,708.46 = 1,176.60/x
  3. Step 3: Cross multiply
    1,962.60x = 2,708.46 × 1,176.60
  4. Step 4: Simplify right side
    1,962.60x = 3,186,774.04
  5. Step 5: Solve for x
    x = 3,186,774.04/1,962.60
  6. Step 6: Final answer
    x = 1,623.75

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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.