Home / 2,688.14-3,707.34-2,428.94

Finding the Fourth Proportional to 2,688.14, 3,707.34 and 2,428.94

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Solution

The fourth proportional to 2,688.14, 3,707.34 and 2,428.94 is: 3,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.14 : 3,707.34 = 2,428.94 : x
  2. Step 2: Convert to fraction form
    2,688.14/3,707.34 = 2,428.94/x
  3. Step 3: Cross multiply
    2,688.14x = 3,707.34 × 2,428.94
  4. Step 4: Simplify right side
    2,688.14x = 9,004,906.42
  5. Step 5: Solve for x
    x = 9,004,906.42/2,688.14
  6. Step 6: Final answer
    x = 3,349.87

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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.