Home / 3,953.75-5,453.33-2,607.80

Finding the Fourth Proportional to 3,953.75, 5,453.33 and 2,607.80

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Solution

The fourth proportional to 3,953.75, 5,453.33 and 2,607.80 is: 3,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.75 : 5,453.33 = 2,607.80 : x
  2. Step 2: Convert to fraction form
    3,953.75/5,453.33 = 2,607.80/x
  3. Step 3: Cross multiply
    3,953.75x = 5,453.33 × 2,607.80
  4. Step 4: Simplify right side
    3,953.75x = 14,221,153.67
  5. Step 5: Solve for x
    x = 14,221,153.67/3,953.75
  6. Step 6: Final answer
    x = 3,596.88

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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.