Home / 3,093.28-4,270.64-2,148.76

Finding the Fourth Proportional to 3,093.28, 4,270.64 and 2,148.76

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Solution

The fourth proportional to 3,093.28, 4,270.64 and 2,148.76 is: 2,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.28 : 4,270.64 = 2,148.76 : x
  2. Step 2: Convert to fraction form
    3,093.28/4,270.64 = 2,148.76/x
  3. Step 3: Cross multiply
    3,093.28x = 4,270.64 × 2,148.76
  4. Step 4: Simplify right side
    3,093.28x = 9,176,580.41
  5. Step 5: Solve for x
    x = 9,176,580.41/3,093.28
  6. Step 6: Final answer
    x = 2,966.62

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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.