Home / 3,096.60-4,643.46-904.80

Finding the Fourth Proportional to 3,096.60, 4,643.46 and 904.80

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Solution

The fourth proportional to 3,096.60, 4,643.46 and 904.80 is: 1,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.60 : 4,643.46 = 904.80 : x
  2. Step 2: Convert to fraction form
    3,096.60/4,643.46 = 904.80/x
  3. Step 3: Cross multiply
    3,096.60x = 4,643.46 × 904.80
  4. Step 4: Simplify right side
    3,096.60x = 4,201,402.61
  5. Step 5: Solve for x
    x = 4,201,402.61/3,096.60
  6. Step 6: Final answer
    x = 1,356.78

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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.