Home / 3,005.39-4,507.77-1,423.73

Finding the Fourth Proportional to 3,005.39, 4,507.77 and 1,423.73

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Solution

The fourth proportional to 3,005.39, 4,507.77 and 1,423.73 is: 2,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.39 : 4,507.77 = 1,423.73 : x
  2. Step 2: Convert to fraction form
    3,005.39/4,507.77 = 1,423.73/x
  3. Step 3: Cross multiply
    3,005.39x = 4,507.77 × 1,423.73
  4. Step 4: Simplify right side
    3,005.39x = 6,417,847.38
  5. Step 5: Solve for x
    x = 6,417,847.38/3,005.39
  6. Step 6: Final answer
    x = 2,135.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.