Home / 2,308.47-3,179.19-2,160.24

Finding the Fourth Proportional to 2,308.47, 3,179.19 and 2,160.24

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Solution

The fourth proportional to 2,308.47, 3,179.19 and 2,160.24 is: 2,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.47 : 3,179.19 = 2,160.24 : x
  2. Step 2: Convert to fraction form
    2,308.47/3,179.19 = 2,160.24/x
  3. Step 3: Cross multiply
    2,308.47x = 3,179.19 × 2,160.24
  4. Step 4: Simplify right side
    2,308.47x = 6,867,813.41
  5. Step 5: Solve for x
    x = 6,867,813.41/2,308.47
  6. Step 6: Final answer
    x = 2,975.05

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1.5x scale

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.