Home / 3,924.84-5,880.96-2,688.06

Finding the Fourth Proportional to 3,924.84, 5,880.96 and 2,688.06

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Solution

The fourth proportional to 3,924.84, 5,880.96 and 2,688.06 is: 4,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.84 : 5,880.96 = 2,688.06 : x
  2. Step 2: Convert to fraction form
    3,924.84/5,880.96 = 2,688.06/x
  3. Step 3: Cross multiply
    3,924.84x = 5,880.96 × 2,688.06
  4. Step 4: Simplify right side
    3,924.84x = 15,808,373.34
  5. Step 5: Solve for x
    x = 15,808,373.34/3,924.84
  6. Step 6: Final answer
    x = 4,027.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.