Home / 2,735.60-4,099.88-1,173.78

Finding the Fourth Proportional to 2,735.60, 4,099.88 and 1,173.78

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Solution

The fourth proportional to 2,735.60, 4,099.88 and 1,173.78 is: 1,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.60 : 4,099.88 = 1,173.78 : x
  2. Step 2: Convert to fraction form
    2,735.60/4,099.88 = 1,173.78/x
  3. Step 3: Cross multiply
    2,735.60x = 4,099.88 × 1,173.78
  4. Step 4: Simplify right side
    2,735.60x = 4,812,360.08
  5. Step 5: Solve for x
    x = 4,812,360.08/2,735.60
  6. Step 6: Final answer
    x = 1,759.16

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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.