Home / 3,908.42-5,393.49-2,335.58

Finding the Fourth Proportional to 3,908.42, 5,393.49 and 2,335.58

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Solution

The fourth proportional to 3,908.42, 5,393.49 and 2,335.58 is: 3,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.42 : 5,393.49 = 2,335.58 : x
  2. Step 2: Convert to fraction form
    3,908.42/5,393.49 = 2,335.58/x
  3. Step 3: Cross multiply
    3,908.42x = 5,393.49 × 2,335.58
  4. Step 4: Simplify right side
    3,908.42x = 12,596,927.37
  5. Step 5: Solve for x
    x = 12,596,927.37/3,908.42
  6. Step 6: Final answer
    x = 3,223.02

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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.