Home / 3,908.46-5,393.93-2,564.88

Finding the Fourth Proportional to 3,908.46, 5,393.93 and 2,564.88

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Solution

The fourth proportional to 3,908.46, 5,393.93 and 2,564.88 is: 3,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.46 : 5,393.93 = 2,564.88 : x
  2. Step 2: Convert to fraction form
    3,908.46/5,393.93 = 2,564.88/x
  3. Step 3: Cross multiply
    3,908.46x = 5,393.93 × 2,564.88
  4. Step 4: Simplify right side
    3,908.46x = 13,834,783.18
  5. Step 5: Solve for x
    x = 13,834,783.18/3,908.46
  6. Step 6: Final answer
    x = 3,539.70

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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.