Home / 3,199.31-4,777.37-2,615.45

Finding the Fourth Proportional to 3,199.31, 4,777.37 and 2,615.45

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Solution

The fourth proportional to 3,199.31, 4,777.37 and 2,615.45 is: 3,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.31 : 4,777.37 = 2,615.45 : x
  2. Step 2: Convert to fraction form
    3,199.31/4,777.37 = 2,615.45/x
  3. Step 3: Cross multiply
    3,199.31x = 4,777.37 × 2,615.45
  4. Step 4: Simplify right side
    3,199.31x = 12,494,972.37
  5. Step 5: Solve for x
    x = 12,494,972.37/3,199.31
  6. Step 6: Final answer
    x = 3,905.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.