Home / 3,688.43-5,088.64-2,361.92

Finding the Fourth Proportional to 3,688.43, 5,088.64 and 2,361.92

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Solution

The fourth proportional to 3,688.43, 5,088.64 and 2,361.92 is: 3,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.43 : 5,088.64 = 2,361.92 : x
  2. Step 2: Convert to fraction form
    3,688.43/5,088.64 = 2,361.92/x
  3. Step 3: Cross multiply
    3,688.43x = 5,088.64 × 2,361.92
  4. Step 4: Simplify right side
    3,688.43x = 12,018,960.59
  5. Step 5: Solve for x
    x = 12,018,960.59/3,688.43
  6. Step 6: Final answer
    x = 3,258.56

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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.