Home / 3,399.72-4,697.70-2,655.56

Finding the Fourth Proportional to 3,399.72, 4,697.70 and 2,655.56

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Solution

The fourth proportional to 3,399.72, 4,697.70 and 2,655.56 is: 3,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.72 : 4,697.70 = 2,655.56 : x
  2. Step 2: Convert to fraction form
    3,399.72/4,697.70 = 2,655.56/x
  3. Step 3: Cross multiply
    3,399.72x = 4,697.70 × 2,655.56
  4. Step 4: Simplify right side
    3,399.72x = 12,475,024.21
  5. Step 5: Solve for x
    x = 12,475,024.21/3,399.72
  6. Step 6: Final answer
    x = 3,669.43

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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.