Home / 2,147.60-2,975.20-2,096.56

Finding the Fourth Proportional to 2,147.60, 2,975.20 and 2,096.56

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Solution

The fourth proportional to 2,147.60, 2,975.20 and 2,096.56 is: 2,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.60 : 2,975.20 = 2,096.56 : x
  2. Step 2: Convert to fraction form
    2,147.60/2,975.20 = 2,096.56/x
  3. Step 3: Cross multiply
    2,147.60x = 2,975.20 × 2,096.56
  4. Step 4: Simplify right side
    2,147.60x = 6,237,685.31
  5. Step 5: Solve for x
    x = 6,237,685.31/2,147.60
  6. Step 6: Final answer
    x = 2,904.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.