Home / 3,081.94-4,623.10-1,135.50

Finding the Fourth Proportional to 3,081.94, 4,623.10 and 1,135.50

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Solution

The fourth proportional to 3,081.94, 4,623.10 and 1,135.50 is: 1,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.94 : 4,623.10 = 1,135.50 : x
  2. Step 2: Convert to fraction form
    3,081.94/4,623.10 = 1,135.50/x
  3. Step 3: Cross multiply
    3,081.94x = 4,623.10 × 1,135.50
  4. Step 4: Simplify right side
    3,081.94x = 5,249,530.05
  5. Step 5: Solve for x
    x = 5,249,530.05/3,081.94
  6. Step 6: Final answer
    x = 1,703.32

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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.