Home / 3,199.50-4,417.47-2,455.38

Finding the Fourth Proportional to 3,199.50, 4,417.47 and 2,455.38

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Solution

The fourth proportional to 3,199.50, 4,417.47 and 2,455.38 is: 3,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.50 : 4,417.47 = 2,455.38 : x
  2. Step 2: Convert to fraction form
    3,199.50/4,417.47 = 2,455.38/x
  3. Step 3: Cross multiply
    3,199.50x = 4,417.47 × 2,455.38
  4. Step 4: Simplify right side
    3,199.50x = 10,846,567.49
  5. Step 5: Solve for x
    x = 10,846,567.49/3,199.50
  6. Step 6: Final answer
    x = 3,390.08

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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.